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Finding the Fourth Proportional to 506,326.79, 759,565.69 and 186,454.04

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Solution

The fourth proportional to 506,326.79, 759,565.69 and 186,454.04 is: 279,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,326.79 : 759,565.69 = 186,454.04 : x
  2. Step 2: Convert to fraction form
    506,326.79/759,565.69 = 186,454.04/x
  3. Step 3: Cross multiply
    506,326.79x = 759,565.69 × 186,454.04
  4. Step 4: Simplify right side
    506,326.79x = 141,624,091,545.89
  5. Step 5: Solve for x
    x = 141,624,091,545.89/506,326.79
  6. Step 6: Final answer
    x = 279,708.86

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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.