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Finding the Fourth Proportional to 304,320.60, 456,480.90 and 266,922.90

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Solution

The fourth proportional to 304,320.60, 456,480.90 and 266,922.90 is: 400,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,320.60 : 456,480.90 = 266,922.90 : x
  2. Step 2: Convert to fraction form
    304,320.60/456,480.90 = 266,922.90/x
  3. Step 3: Cross multiply
    304,320.60x = 456,480.90 × 266,922.90
  4. Step 4: Simplify right side
    304,320.60x = 121,845,205,622.61
  5. Step 5: Solve for x
    x = 121,845,205,622.61/304,320.60
  6. Step 6: Final answer
    x = 400,384.35

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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.