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Finding the Fourth Proportional to 375,711.38, 518,483.52 and 224,808.38

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Solution

The fourth proportional to 375,711.38, 518,483.52 and 224,808.38 is: 310,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,711.38 : 518,483.52 = 224,808.38 : x
  2. Step 2: Convert to fraction form
    375,711.38/518,483.52 = 224,808.38/x
  3. Step 3: Cross multiply
    375,711.38x = 518,483.52 × 224,808.38
  4. Step 4: Simplify right side
    375,711.38x = 116,559,437,595.48
  5. Step 5: Solve for x
    x = 116,559,437,595.48/375,711.38
  6. Step 6: Final answer
    x = 310,236.65

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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.