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Finding the Fourth Proportional to 526,593.32, 726,696.60 and 284,875.34

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Solution

The fourth proportional to 526,593.32, 726,696.60 and 284,875.34 is: 393,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,593.32 : 726,696.60 = 284,875.34 : x
  2. Step 2: Convert to fraction form
    526,593.32/726,696.60 = 284,875.34/x
  3. Step 3: Cross multiply
    526,593.32x = 726,696.60 × 284,875.34
  4. Step 4: Simplify right side
    526,593.32x = 207,017,941,001.84
  5. Step 5: Solve for x
    x = 207,017,941,001.84/526,593.32
  6. Step 6: Final answer
    x = 393,126.79

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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.