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Finding the Fourth Proportional to 433,538.68, 598,306.64 and 242,540.68

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Solution

The fourth proportional to 433,538.68, 598,306.64 and 242,540.68 is: 334,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,538.68 : 598,306.64 = 242,540.68 : x
  2. Step 2: Convert to fraction form
    433,538.68/598,306.64 = 242,540.68/x
  3. Step 3: Cross multiply
    433,538.68x = 598,306.64 × 242,540.68
  4. Step 4: Simplify right side
    433,538.68x = 145,113,699,314.12
  5. Step 5: Solve for x
    x = 145,113,699,314.12/433,538.68
  6. Step 6: Final answer
    x = 334,719.15

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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.