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Finding the Fourth Proportional to 423,627.28, 584,607.28 and 230,035.30

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Solution

The fourth proportional to 423,627.28, 584,607.28 and 230,035.30 is: 317,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,627.28 : 584,607.28 = 230,035.30 : x
  2. Step 2: Convert to fraction form
    423,627.28/584,607.28 = 230,035.30/x
  3. Step 3: Cross multiply
    423,627.28x = 584,607.28 × 230,035.30
  4. Step 4: Simplify right side
    423,627.28x = 134,480,311,036.98
  5. Step 5: Solve for x
    x = 134,480,311,036.98/423,627.28
  6. Step 6: Final answer
    x = 317,449.60

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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.