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Finding the Fourth Proportional to 708,252.12, 977,363.10 and 385,955.64

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Solution

The fourth proportional to 708,252.12, 977,363.10 and 385,955.64 is: 532,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,252.12 : 977,363.10 = 385,955.64 : x
  2. Step 2: Convert to fraction form
    708,252.12/977,363.10 = 385,955.64/x
  3. Step 3: Cross multiply
    708,252.12x = 977,363.10 × 385,955.64
  4. Step 4: Simplify right side
    708,252.12x = 377,218,800,772.88
  5. Step 5: Solve for x
    x = 377,218,800,772.88/708,252.12
  6. Step 6: Final answer
    x = 532,605.25

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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.