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Finding the Fourth Proportional to 497,371.98, 745,544 and 230,915.18

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Solution

The fourth proportional to 497,371.98, 745,544 and 230,915.18 is: 346,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,371.98 : 745,544 = 230,915.18 : x
  2. Step 2: Convert to fraction form
    497,371.98/745,544 = 230,915.18/x
  3. Step 3: Cross multiply
    497,371.98x = 745,544 × 230,915.18
  4. Step 4: Simplify right side
    497,371.98x = 172,157,426,957.92
  5. Step 5: Solve for x
    x = 172,157,426,957.92/497,371.98
  6. Step 6: Final answer
    x = 346,134.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.