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Finding the Fourth Proportional to 497,148.60, 745,722.90 and 483,324.60

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Solution

The fourth proportional to 497,148.60, 745,722.90 and 483,324.60 is: 724,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,148.60 : 745,722.90 = 483,324.60 : x
  2. Step 2: Convert to fraction form
    497,148.60/745,722.90 = 483,324.60/x
  3. Step 3: Cross multiply
    497,148.60x = 745,722.90 × 483,324.60
  4. Step 4: Simplify right side
    497,148.60x = 360,426,222,353.34
  5. Step 5: Solve for x
    x = 360,426,222,353.34/497,148.60
  6. Step 6: Final answer
    x = 724,986.90

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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.