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Finding the Fourth Proportional to 704,726.13, 972,522.68 and 382,436.22

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Solution

The fourth proportional to 704,726.13, 972,522.68 and 382,436.22 is: 527,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,726.13 : 972,522.68 = 382,436.22 : x
  2. Step 2: Convert to fraction form
    704,726.13/972,522.68 = 382,436.22/x
  3. Step 3: Cross multiply
    704,726.13x = 972,522.68 × 382,436.22
  4. Step 4: Simplify right side
    704,726.13x = 371,927,897,603.47
  5. Step 5: Solve for x
    x = 371,927,897,603.47/704,726.13
  6. Step 6: Final answer
    x = 527,762.32

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1.5x scale

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.