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Finding the Fourth Proportional to 563,545.40, 777,772.40 and 348,754.64

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Solution

The fourth proportional to 563,545.40, 777,772.40 and 348,754.64 is: 481,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,545.40 : 777,772.40 = 348,754.64 : x
  2. Step 2: Convert to fraction form
    563,545.40/777,772.40 = 348,754.64/x
  3. Step 3: Cross multiply
    563,545.40x = 777,772.40 × 348,754.64
  4. Step 4: Simplify right side
    563,545.40x = 271,251,733,363.94
  5. Step 5: Solve for x
    x = 271,251,733,363.94/563,545.40
  6. Step 6: Final answer
    x = 481,330.76

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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.