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Finding the Fourth Proportional to 424,238.75, 585,451.78 and 249,816.52

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Solution

The fourth proportional to 424,238.75, 585,451.78 and 249,816.52 is: 344,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,238.75 : 585,451.78 = 249,816.52 : x
  2. Step 2: Convert to fraction form
    424,238.75/585,451.78 = 249,816.52/x
  3. Step 3: Cross multiply
    424,238.75x = 585,451.78 × 249,816.52
  4. Step 4: Simplify right side
    424,238.75x = 146,255,528,466.03
  5. Step 5: Solve for x
    x = 146,255,528,466.03/424,238.75
  6. Step 6: Final answer
    x = 344,748.16

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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.