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Finding the Fourth Proportional to 650,973.60, 976,460.40 and 548,330.40

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Solution

The fourth proportional to 650,973.60, 976,460.40 and 548,330.40 is: 822,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,973.60 : 976,460.40 = 548,330.40 : x
  2. Step 2: Convert to fraction form
    650,973.60/976,460.40 = 548,330.40/x
  3. Step 3: Cross multiply
    650,973.60x = 976,460.40 × 548,330.40
  4. Step 4: Simplify right side
    650,973.60x = 535,422,921,716.16
  5. Step 5: Solve for x
    x = 535,422,921,716.16/650,973.60
  6. Step 6: Final answer
    x = 822,495.60

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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.