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Finding the Fourth Proportional to 578,587.80, 868,020.24 and 241,440.90

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Solution

The fourth proportional to 578,587.80, 868,020.24 and 241,440.90 is: 362,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,587.80 : 868,020.24 = 241,440.90 : x
  2. Step 2: Convert to fraction form
    578,587.80/868,020.24 = 241,440.90/x
  3. Step 3: Cross multiply
    578,587.80x = 868,020.24 × 241,440.90
  4. Step 4: Simplify right side
    578,587.80x = 209,575,587,963.82
  5. Step 5: Solve for x
    x = 209,575,587,963.82/578,587.80
  6. Step 6: Final answer
    x = 362,219.16

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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.