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Finding the Fourth Proportional to 360,475.89, 497,459.31 and 197,133.12

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Solution

The fourth proportional to 360,475.89, 497,459.31 and 197,133.12 is: 272,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,475.89 : 497,459.31 = 197,133.12 : x
  2. Step 2: Convert to fraction form
    360,475.89/497,459.31 = 197,133.12/x
  3. Step 3: Cross multiply
    360,475.89x = 497,459.31 × 197,133.12
  4. Step 4: Simplify right side
    360,475.89x = 98,065,705,853.35
  5. Step 5: Solve for x
    x = 98,065,705,853.35/360,475.89
  6. Step 6: Final answer
    x = 272,045.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.