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Finding the Fourth Proportional to 650,951.60, 976,427.40 and 545,975.60

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Solution

The fourth proportional to 650,951.60, 976,427.40 and 545,975.60 is: 818,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,951.60 : 976,427.40 = 545,975.60 : x
  2. Step 2: Convert to fraction form
    650,951.60/976,427.40 = 545,975.60/x
  3. Step 3: Cross multiply
    650,951.60x = 976,427.40 × 545,975.60
  4. Step 4: Simplify right side
    650,951.60x = 533,105,535,571.44
  5. Step 5: Solve for x
    x = 533,105,535,571.44/650,951.60
  6. Step 6: Final answer
    x = 818,963.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.