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Finding the Fourth Proportional to 650,233.60, 975,350.40 and 545,257.60

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Solution

The fourth proportional to 650,233.60, 975,350.40 and 545,257.60 is: 817,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,233.60 : 975,350.40 = 545,257.60 : x
  2. Step 2: Convert to fraction form
    650,233.60/975,350.40 = 545,257.60/x
  3. Step 3: Cross multiply
    650,233.60x = 975,350.40 × 545,257.60
  4. Step 4: Simplify right side
    650,233.60x = 531,817,218,263.04
  5. Step 5: Solve for x
    x = 531,817,218,263.04/650,233.60
  6. Step 6: Final answer
    x = 817,886.40

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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.