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Finding the Fourth Proportional to 611,753.83, 916,232.94 and 292,129.59

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Solution

The fourth proportional to 611,753.83, 916,232.94 and 292,129.59 is: 437,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,753.83 : 916,232.94 = 292,129.59 : x
  2. Step 2: Convert to fraction form
    611,753.83/916,232.94 = 292,129.59/x
  3. Step 3: Cross multiply
    611,753.83x = 916,232.94 × 292,129.59
  4. Step 4: Simplify right side
    611,753.83x = 267,658,752,210.37
  5. Step 5: Solve for x
    x = 267,658,752,210.37/611,753.83
  6. Step 6: Final answer
    x = 437,526.89

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1.5x scale

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.