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Finding the Fourth Proportional to 341,346.90, 511,036.20 and 341,346.90

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Solution

The fourth proportional to 341,346.90, 511,036.20 and 341,346.90 is: 511,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,346.90 : 511,036.20 = 341,346.90 : x
  2. Step 2: Convert to fraction form
    341,346.90/511,036.20 = 341,346.90/x
  3. Step 3: Cross multiply
    341,346.90x = 511,036.20 × 341,346.90
  4. Step 4: Simplify right side
    341,346.90x = 174,440,622,657.78
  5. Step 5: Solve for x
    x = 174,440,622,657.78/341,346.90
  6. Step 6: Final answer
    x = 511,036.20

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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.