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Finding the Fourth Proportional to 496,823.60, 745,235.40 and 441,711.20

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Solution

The fourth proportional to 496,823.60, 745,235.40 and 441,711.20 is: 662,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,823.60 : 745,235.40 = 441,711.20 : x
  2. Step 2: Convert to fraction form
    496,823.60/745,235.40 = 441,711.20/x
  3. Step 3: Cross multiply
    496,823.60x = 745,235.40 × 441,711.20
  4. Step 4: Simplify right side
    496,823.60x = 329,178,822,816.48
  5. Step 5: Solve for x
    x = 329,178,822,816.48/496,823.60
  6. Step 6: Final answer
    x = 662,566.80

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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.