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Finding the Fourth Proportional to 360,245.43, 497,157.92 and 207,306.90

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Solution

The fourth proportional to 360,245.43, 497,157.92 and 207,306.90 is: 286,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,245.43 : 497,157.92 = 207,306.90 : x
  2. Step 2: Convert to fraction form
    360,245.43/497,157.92 = 207,306.90/x
  3. Step 3: Cross multiply
    360,245.43x = 497,157.92 × 207,306.90
  4. Step 4: Simplify right side
    360,245.43x = 103,064,266,946.51
  5. Step 5: Solve for x
    x = 103,064,266,946.51/360,245.43
  6. Step 6: Final answer
    x = 286,094.59

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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.