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Finding the Fourth Proportional to 672,088.92, 927,475.50 and 385,654.08

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Solution

The fourth proportional to 672,088.92, 927,475.50 and 385,654.08 is: 532,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,088.92 : 927,475.50 = 385,654.08 : x
  2. Step 2: Convert to fraction form
    672,088.92/927,475.50 = 385,654.08/x
  3. Step 3: Cross multiply
    672,088.92x = 927,475.50 × 385,654.08
  4. Step 4: Simplify right side
    672,088.92x = 357,684,710,675.04
  5. Step 5: Solve for x
    x = 357,684,710,675.04/672,088.92
  6. Step 6: Final answer
    x = 532,198.49

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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.