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Finding the Fourth Proportional to 552,567.39, 762,535.40 and 310,849.89

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Solution

The fourth proportional to 552,567.39, 762,535.40 and 310,849.89 is: 428,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,567.39 : 762,535.40 = 310,849.89 : x
  2. Step 2: Convert to fraction form
    552,567.39/762,535.40 = 310,849.89/x
  3. Step 3: Cross multiply
    552,567.39x = 762,535.40 × 310,849.89
  4. Step 4: Simplify right side
    552,567.39x = 237,034,043,656.86
  5. Step 5: Solve for x
    x = 237,034,043,656.86/552,567.39
  6. Step 6: Final answer
    x = 428,968.57

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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.