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Finding the Fourth Proportional to 322,752.16, 484,130.40 and 112,389.40

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Solution

The fourth proportional to 322,752.16, 484,130.40 and 112,389.40 is: 168,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,752.16 : 484,130.40 = 112,389.40 : x
  2. Step 2: Convert to fraction form
    322,752.16/484,130.40 = 112,389.40/x
  3. Step 3: Cross multiply
    322,752.16x = 484,130.40 × 112,389.40
  4. Step 4: Simplify right side
    322,752.16x = 54,411,125,177.76
  5. Step 5: Solve for x
    x = 54,411,125,177.76/322,752.16
  6. Step 6: Final answer
    x = 168,584.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.