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Finding the Fourth Proportional to 424,348.68, 585,616.57 and 243,095.64

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Solution

The fourth proportional to 424,348.68, 585,616.57 and 243,095.64 is: 335,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,348.68 : 585,616.57 = 243,095.64 : x
  2. Step 2: Convert to fraction form
    424,348.68/585,616.57 = 243,095.64/x
  3. Step 3: Cross multiply
    424,348.68x = 585,616.57 × 243,095.64
  4. Step 4: Simplify right side
    424,348.68x = 142,360,834,844.27
  5. Step 5: Solve for x
    x = 142,360,834,844.27/424,348.68
  6. Step 6: Final answer
    x = 335,480.80

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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.