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Finding the Fourth Proportional to 431,236.16, 595,118.40 and 249,948.80

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Solution

The fourth proportional to 431,236.16, 595,118.40 and 249,948.80 is: 344,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,236.16 : 595,118.40 = 249,948.80 : x
  2. Step 2: Convert to fraction form
    431,236.16/595,118.40 = 249,948.80/x
  3. Step 3: Cross multiply
    431,236.16x = 595,118.40 × 249,948.80
  4. Step 4: Simplify right side
    431,236.16x = 148,749,129,937.92
  5. Step 5: Solve for x
    x = 148,749,129,937.92/431,236.16
  6. Step 6: Final answer
    x = 344,936.59

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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.