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Finding the Fourth Proportional to 442,703.46, 610,917.32 and 249,121.96

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Solution

The fourth proportional to 442,703.46, 610,917.32 and 249,121.96 is: 343,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,703.46 : 610,917.32 = 249,121.96 : x
  2. Step 2: Convert to fraction form
    442,703.46/610,917.32 = 249,121.96/x
  3. Step 3: Cross multiply
    442,703.46x = 610,917.32 × 249,121.96
  4. Step 4: Simplify right side
    442,703.46x = 152,192,920,156.35
  5. Step 5: Solve for x
    x = 152,192,920,156.35/442,703.46
  6. Step 6: Final answer
    x = 343,780.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.