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Finding the Fourth Proportional to 497,141.70, 745,712.55 and 497,141.70

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Solution

The fourth proportional to 497,141.70, 745,712.55 and 497,141.70 is: 745,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,141.70 : 745,712.55 = 497,141.70 : x
  2. Step 2: Convert to fraction form
    497,141.70/745,712.55 = 497,141.70/x
  3. Step 3: Cross multiply
    497,141.70x = 745,712.55 × 497,141.70
  4. Step 4: Simplify right side
    497,141.70x = 370,724,804,818.34
  5. Step 5: Solve for x
    x = 370,724,804,818.34/497,141.70
  6. Step 6: Final answer
    x = 745,712.55

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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.