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Finding the Fourth Proportional to 424,832.22, 586,199.86 and 243,510.78

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Solution

The fourth proportional to 424,832.22, 586,199.86 and 243,510.78 is: 336,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,832.22 : 586,199.86 = 243,510.78 : x
  2. Step 2: Convert to fraction form
    424,832.22/586,199.86 = 243,510.78/x
  3. Step 3: Cross multiply
    424,832.22x = 586,199.86 × 243,510.78
  4. Step 4: Simplify right side
    424,832.22x = 142,745,985,144.49
  5. Step 5: Solve for x
    x = 142,745,985,144.49/424,832.22
  6. Step 6: Final answer
    x = 336,005.55

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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.