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Finding the Fourth Proportional to 527,649.92, 789,582.92 and 456,816.18

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Solution

The fourth proportional to 527,649.92, 789,582.92 and 456,816.18 is: 683,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,649.92 : 789,582.92 = 456,816.18 : x
  2. Step 2: Convert to fraction form
    527,649.92/789,582.92 = 456,816.18/x
  3. Step 3: Cross multiply
    527,649.92x = 789,582.92 × 456,816.18
  4. Step 4: Simplify right side
    527,649.92x = 360,694,253,307.65
  5. Step 5: Solve for x
    x = 360,694,253,307.65/527,649.92
  6. Step 6: Final answer
    x = 683,586.29

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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.