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Finding the Fourth Proportional to 625,154.52, 862,427.34 and 370,360.92

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Solution

The fourth proportional to 625,154.52, 862,427.34 and 370,360.92 is: 510,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,154.52 : 862,427.34 = 370,360.92 : x
  2. Step 2: Convert to fraction form
    625,154.52/862,427.34 = 370,360.92/x
  3. Step 3: Cross multiply
    625,154.52x = 862,427.34 × 370,360.92
  4. Step 4: Simplify right side
    625,154.52x = 319,409,383,075.55
  5. Step 5: Solve for x
    x = 319,409,383,075.55/625,154.52
  6. Step 6: Final answer
    x = 510,928.69

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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.