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Finding the Fourth Proportional to 341,407.90, 511,127.70 and 341,407.90

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Solution

The fourth proportional to 341,407.90, 511,127.70 and 341,407.90 is: 511,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,407.90 : 511,127.70 = 341,407.90 : x
  2. Step 2: Convert to fraction form
    341,407.90/511,127.70 = 341,407.90/x
  3. Step 3: Cross multiply
    341,407.90x = 511,127.70 × 341,407.90
  4. Step 4: Simplify right side
    341,407.90x = 174,503,034,688.83
  5. Step 5: Solve for x
    x = 174,503,034,688.83/341,407.90
  6. Step 6: Final answer
    x = 511,127.70

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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.