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Finding the Fourth Proportional to 559,793.67, 772,476.64 and 314,815.04

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Solution

The fourth proportional to 559,793.67, 772,476.64 and 314,815.04 is: 434,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,793.67 : 772,476.64 = 314,815.04 : x
  2. Step 2: Convert to fraction form
    559,793.67/772,476.64 = 314,815.04/x
  3. Step 3: Cross multiply
    559,793.67x = 772,476.64 × 314,815.04
  4. Step 4: Simplify right side
    559,793.67x = 243,187,264,320.67
  5. Step 5: Solve for x
    x = 243,187,264,320.67/559,793.67
  6. Step 6: Final answer
    x = 434,423.03

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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.