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Finding the Fourth Proportional to 637,898.76, 956,515.93 and 300,848.92

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Solution

The fourth proportional to 637,898.76, 956,515.93 and 300,848.92 is: 451,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,898.76 : 956,515.93 = 300,848.92 : x
  2. Step 2: Convert to fraction form
    637,898.76/956,515.93 = 300,848.92/x
  3. Step 3: Cross multiply
    637,898.76x = 956,515.93 × 300,848.92
  4. Step 4: Simplify right side
    637,898.76x = 287,766,781,359.88
  5. Step 5: Solve for x
    x = 287,766,781,359.88/637,898.76
  6. Step 6: Final answer
    x = 451,116.70

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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.