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Finding the Fourth Proportional to 704,530.50, 972,254.52 and 382,242.03

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Solution

The fourth proportional to 704,530.50, 972,254.52 and 382,242.03 is: 527,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,530.50 : 972,254.52 = 382,242.03 : x
  2. Step 2: Convert to fraction form
    704,530.50/972,254.52 = 382,242.03/x
  3. Step 3: Cross multiply
    704,530.50x = 972,254.52 × 382,242.03
  4. Step 4: Simplify right side
    704,530.50x = 371,636,541,401.48
  5. Step 5: Solve for x
    x = 371,636,541,401.48/704,530.50
  6. Step 6: Final answer
    x = 527,495.32

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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.