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Finding the Fourth Proportional to 834,807.61, 1,252,261.14 and 322,476.67

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Solution

The fourth proportional to 834,807.61, 1,252,261.14 and 322,476.67 is: 483,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,807.61 : 1,252,261.14 = 322,476.67 : x
  2. Step 2: Convert to fraction form
    834,807.61/1,252,261.14 = 322,476.67/x
  3. Step 3: Cross multiply
    834,807.61x = 1,252,261.14 × 322,476.67
  4. Step 4: Simplify right side
    834,807.61x = 403,825,002,397.60
  5. Step 5: Solve for x
    x = 403,825,002,397.60/834,807.61
  6. Step 6: Final answer
    x = 483,734.21

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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.