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Finding the Fourth Proportional to 424,417.80, 585,500.22 and 254,356.68

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Solution

The fourth proportional to 424,417.80, 585,500.22 and 254,356.68 is: 350,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,417.80 : 585,500.22 = 254,356.68 : x
  2. Step 2: Convert to fraction form
    424,417.80/585,500.22 = 254,356.68/x
  3. Step 3: Cross multiply
    424,417.80x = 585,500.22 × 254,356.68
  4. Step 4: Simplify right side
    424,417.80x = 148,925,892,098.47
  5. Step 5: Solve for x
    x = 148,925,892,098.47/424,417.80
  6. Step 6: Final answer
    x = 350,894.55

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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.