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Finding the Fourth Proportional to 953,793.60, 1,316,349.60 and 572,030.40

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Solution

The fourth proportional to 953,793.60, 1,316,349.60 and 572,030.40 is: 789,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,793.60 : 1,316,349.60 = 572,030.40 : x
  2. Step 2: Convert to fraction form
    953,793.60/1,316,349.60 = 572,030.40/x
  3. Step 3: Cross multiply
    953,793.60x = 1,316,349.60 × 572,030.40
  4. Step 4: Simplify right side
    953,793.60x = 752,991,988,227.84
  5. Step 5: Solve for x
    x = 752,991,988,227.84/953,793.60
  6. Step 6: Final answer
    x = 789,470.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.