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Finding the Fourth Proportional to 580,542.72, 870,148.08 and 243,521.04

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Solution

The fourth proportional to 580,542.72, 870,148.08 and 243,521.04 is: 365,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,542.72 : 870,148.08 = 243,521.04 : x
  2. Step 2: Convert to fraction form
    580,542.72/870,148.08 = 243,521.04/x
  3. Step 3: Cross multiply
    580,542.72x = 870,148.08 × 243,521.04
  4. Step 4: Simplify right side
    580,542.72x = 211,899,365,395.60
  5. Step 5: Solve for x
    x = 211,899,365,395.60/580,542.72
  6. Step 6: Final answer
    x = 365,002.19

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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.