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Finding the Fourth Proportional to 497,311.40, 745,967.10 and 123,334.40

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Solution

The fourth proportional to 497,311.40, 745,967.10 and 123,334.40 is: 185,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,311.40 : 745,967.10 = 123,334.40 : x
  2. Step 2: Convert to fraction form
    497,311.40/745,967.10 = 123,334.40/x
  3. Step 3: Cross multiply
    497,311.40x = 745,967.10 × 123,334.40
  4. Step 4: Simplify right side
    497,311.40x = 92,003,404,698.24
  5. Step 5: Solve for x
    x = 92,003,404,698.24/497,311.40
  6. Step 6: Final answer
    x = 185,001.60

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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.