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Finding the Fourth Proportional to 526,616.10, 726,726.11 and 284,897.93

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Solution

The fourth proportional to 526,616.10, 726,726.11 and 284,897.93 is: 393,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,616.10 : 726,726.11 = 284,897.93 : x
  2. Step 2: Convert to fraction form
    526,616.10/726,726.11 = 284,897.93/x
  3. Step 3: Cross multiply
    526,616.10x = 726,726.11 × 284,897.93
  4. Step 4: Simplify right side
    526,616.10x = 207,042,759,357.83
  5. Step 5: Solve for x
    x = 207,042,759,357.83/526,616.10
  6. Step 6: Final answer
    x = 393,156.91

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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.