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Finding the Fourth Proportional to 497,200.70, 745,801.05 and 217,264.70

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Solution

The fourth proportional to 497,200.70, 745,801.05 and 217,264.70 is: 325,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,200.70 : 745,801.05 = 217,264.70 : x
  2. Step 2: Convert to fraction form
    497,200.70/745,801.05 = 217,264.70/x
  3. Step 3: Cross multiply
    497,200.70x = 745,801.05 × 217,264.70
  4. Step 4: Simplify right side
    497,200.70x = 162,036,241,387.94
  5. Step 5: Solve for x
    x = 162,036,241,387.94/497,200.70
  6. Step 6: Final answer
    x = 325,897.05

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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.