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Finding the Fourth Proportional to 541,296.32, 747,702.88 and 415,526.08

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Solution

The fourth proportional to 541,296.32, 747,702.88 and 415,526.08 is: 573,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,296.32 : 747,702.88 = 415,526.08 : x
  2. Step 2: Convert to fraction form
    541,296.32/747,702.88 = 415,526.08/x
  3. Step 3: Cross multiply
    541,296.32x = 747,702.88 × 415,526.08
  4. Step 4: Simplify right side
    541,296.32x = 310,690,046,731.11
  5. Step 5: Solve for x
    x = 310,690,046,731.11/541,296.32
  6. Step 6: Final answer
    x = 573,974.06

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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.