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Finding the Fourth Proportional to 708,262.62, 977,377.59 and 385,966.14

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Solution

The fourth proportional to 708,262.62, 977,377.59 and 385,966.14 is: 532,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,262.62 : 977,377.59 = 385,966.14 : x
  2. Step 2: Convert to fraction form
    708,262.62/977,377.59 = 385,966.14/x
  3. Step 3: Cross multiply
    708,262.62x = 977,377.59 × 385,966.14
  4. Step 4: Simplify right side
    708,262.62x = 377,234,655,734.80
  5. Step 5: Solve for x
    x = 377,234,655,734.80/708,262.62
  6. Step 6: Final answer
    x = 532,619.74

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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.