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Finding the Fourth Proportional to 662,482.43, 992,978.70 and 337,358.22

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Solution

The fourth proportional to 662,482.43, 992,978.70 and 337,358.22 is: 505,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,482.43 : 992,978.70 = 337,358.22 : x
  2. Step 2: Convert to fraction form
    662,482.43/992,978.70 = 337,358.22/x
  3. Step 3: Cross multiply
    662,482.43x = 992,978.70 × 337,358.22
  4. Step 4: Simplify right side
    662,482.43x = 334,989,521,741.15
  5. Step 5: Solve for x
    x = 334,989,521,741.15/662,482.43
  6. Step 6: Final answer
    x = 505,657.97

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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.