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Finding the Fourth Proportional to 372,624.38, 514,223.58 and 202,859.72

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Solution

The fourth proportional to 372,624.38, 514,223.58 and 202,859.72 is: 279,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,624.38 : 514,223.58 = 202,859.72 : x
  2. Step 2: Convert to fraction form
    372,624.38/514,223.58 = 202,859.72/x
  3. Step 3: Cross multiply
    372,624.38x = 514,223.58 × 202,859.72
  4. Step 4: Simplify right side
    372,624.38x = 104,315,248,885.08
  5. Step 5: Solve for x
    x = 104,315,248,885.08/372,624.38
  6. Step 6: Final answer
    x = 279,947.46

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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.