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Finding the Fourth Proportional to 586,538.89, 879,823.62 and 187,179.12

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Solution

The fourth proportional to 586,538.89, 879,823.62 and 187,179.12 is: 280,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,538.89 : 879,823.62 = 187,179.12 : x
  2. Step 2: Convert to fraction form
    586,538.89/879,823.62 = 187,179.12/x
  3. Step 3: Cross multiply
    586,538.89x = 879,823.62 × 187,179.12
  4. Step 4: Simplify right side
    586,538.89x = 164,684,610,946.81
  5. Step 5: Solve for x
    x = 164,684,610,946.81/586,538.89
  6. Step 6: Final answer
    x = 280,773.56

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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.