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Finding the Fourth Proportional to 547,478.20, 750,032.60 and 527,010.01

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Solution

The fourth proportional to 547,478.20, 750,032.60 and 527,010.01 is: 721,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,478.20 : 750,032.60 = 527,010.01 : x
  2. Step 2: Convert to fraction form
    547,478.20/750,032.60 = 527,010.01/x
  3. Step 3: Cross multiply
    547,478.20x = 750,032.60 × 527,010.01
  4. Step 4: Simplify right side
    547,478.20x = 395,274,683,516.19
  5. Step 5: Solve for x
    x = 395,274,683,516.19/547,478.20
  6. Step 6: Final answer
    x = 721,991.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.