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Finding the Fourth Proportional to 567,051.60, 849,265.20 and 388,592.40

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Solution

The fourth proportional to 567,051.60, 849,265.20 and 388,592.40 is: 581,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,051.60 : 849,265.20 = 388,592.40 : x
  2. Step 2: Convert to fraction form
    567,051.60/849,265.20 = 388,592.40/x
  3. Step 3: Cross multiply
    567,051.60x = 849,265.20 × 388,592.40
  4. Step 4: Simplify right side
    567,051.60x = 330,018,002,304.48
  5. Step 5: Solve for x
    x = 330,018,002,304.48/567,051.60
  6. Step 6: Final answer
    x = 581,989.37

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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.