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Finding the Fourth Proportional to 343,883.90, 514,841.70 and 304,517.90

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Solution

The fourth proportional to 343,883.90, 514,841.70 and 304,517.90 is: 455,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,883.90 : 514,841.70 = 304,517.90 : x
  2. Step 2: Convert to fraction form
    343,883.90/514,841.70 = 304,517.90/x
  3. Step 3: Cross multiply
    343,883.90x = 514,841.70 × 304,517.90
  4. Step 4: Simplify right side
    343,883.90x = 156,778,513,316.43
  5. Step 5: Solve for x
    x = 156,778,513,316.43/343,883.90
  6. Step 6: Final answer
    x = 455,905.36

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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.