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Finding the Fourth Proportional to 496,915.68, 745,069.68 and 243,874.92

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Solution

The fourth proportional to 496,915.68, 745,069.68 and 243,874.92 is: 365,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,915.68 : 745,069.68 = 243,874.92 : x
  2. Step 2: Convert to fraction form
    496,915.68/745,069.68 = 243,874.92/x
  3. Step 3: Cross multiply
    496,915.68x = 745,069.68 × 243,874.92
  4. Step 4: Simplify right side
    496,915.68x = 181,703,808,604.43
  5. Step 5: Solve for x
    x = 181,703,808,604.43/496,915.68
  6. Step 6: Final answer
    x = 365,663.26

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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.