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Finding the Fourth Proportional to 552,205.40, 829,085.70 and 342,253.40

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Solution

The fourth proportional to 552,205.40, 829,085.70 and 342,253.40 is: 513,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,205.40 : 829,085.70 = 342,253.40 : x
  2. Step 2: Convert to fraction form
    552,205.40/829,085.70 = 342,253.40/x
  3. Step 3: Cross multiply
    552,205.40x = 829,085.70 × 342,253.40
  4. Step 4: Simplify right side
    552,205.40x = 283,757,399,716.38
  5. Step 5: Solve for x
    x = 283,757,399,716.38/552,205.40
  6. Step 6: Final answer
    x = 513,862.05

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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.