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Finding the Fourth Proportional to 310,996,346.91, 466,496,264.27 and 103,734,188.57

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Solution

The fourth proportional to 310,996,346.91, 466,496,264.27 and 103,734,188.57 is: 155,601,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,996,346.91 : 466,496,264.27 = 103,734,188.57 : x
  2. Step 2: Convert to fraction form
    310,996,346.91/466,496,264.27 = 103,734,188.57/x
  3. Step 3: Cross multiply
    310,996,346.91x = 466,496,264.27 × 103,734,188.57
  4. Step 4: Simplify right side
    310,996,346.91x = 48,391,611,442,133,576
  5. Step 5: Solve for x
    x = 48,391,611,442,133,576/310,996,346.91
  6. Step 6: Final answer
    x = 155,601,864.53

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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.