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Finding the Fourth Proportional to 424,774.80, 586,191.24 and 243,497.16

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Solution

The fourth proportional to 424,774.80, 586,191.24 and 243,497.16 is: 336,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,774.80 : 586,191.24 = 243,497.16 : x
  2. Step 2: Convert to fraction form
    424,774.80/586,191.24 = 243,497.16/x
  3. Step 3: Cross multiply
    424,774.80x = 586,191.24 × 243,497.16
  4. Step 4: Simplify right side
    424,774.80x = 142,735,902,156.88
  5. Step 5: Solve for x
    x = 142,735,902,156.88/424,774.80
  6. Step 6: Final answer
    x = 336,027.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.