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Finding the Fourth Proportional to 611,974.08, 918,349.92 and 238,000.32

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Solution

The fourth proportional to 611,974.08, 918,349.92 and 238,000.32 is: 357,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,974.08 : 918,349.92 = 238,000.32 : x
  2. Step 2: Convert to fraction form
    611,974.08/918,349.92 = 238,000.32/x
  3. Step 3: Cross multiply
    611,974.08x = 918,349.92 × 238,000.32
  4. Step 4: Simplify right side
    611,974.08x = 218,567,574,831.97
  5. Step 5: Solve for x
    x = 218,567,574,831.97/611,974.08
  6. Step 6: Final answer
    x = 357,151.69

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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.