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Finding the Fourth Proportional to 497,315.61, 745,972.74 and 230,930.46

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Solution

The fourth proportional to 497,315.61, 745,972.74 and 230,930.46 is: 346,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,315.61 : 745,972.74 = 230,930.46 : x
  2. Step 2: Convert to fraction form
    497,315.61/745,972.74 = 230,930.46/x
  3. Step 3: Cross multiply
    497,315.61x = 745,972.74 × 230,930.46
  4. Step 4: Simplify right side
    497,315.61x = 172,267,827,995.66
  5. Step 5: Solve for x
    x = 172,267,827,995.66/497,315.61
  6. Step 6: Final answer
    x = 346,395.38

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Similar ratio
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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.