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Finding the Fourth Proportional to 385,941.20, 532,598.85 and 235,038.20

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Solution

The fourth proportional to 385,941.20, 532,598.85 and 235,038.20 is: 324,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,941.20 : 532,598.85 = 235,038.20 : x
  2. Step 2: Convert to fraction form
    385,941.20/532,598.85 = 235,038.20/x
  3. Step 3: Cross multiply
    385,941.20x = 532,598.85 × 235,038.20
  4. Step 4: Simplify right side
    385,941.20x = 125,181,072,363.08
  5. Step 5: Solve for x
    x = 125,181,072,363.08/385,941.20
  6. Step 6: Final answer
    x = 324,352.71

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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.