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Finding the Fourth Proportional to 586,084.61, 879,142.31 and 159,624.07

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Solution

The fourth proportional to 586,084.61, 879,142.31 and 159,624.07 is: 239,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,084.61 : 879,142.31 = 159,624.07 : x
  2. Step 2: Convert to fraction form
    586,084.61/879,142.31 = 159,624.07/x
  3. Step 3: Cross multiply
    586,084.61x = 879,142.31 × 159,624.07
  4. Step 4: Simplify right side
    586,084.61x = 140,332,271,234.02
  5. Step 5: Solve for x
    x = 140,332,271,234.02/586,084.61
  6. Step 6: Final answer
    x = 239,440.29

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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.