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Finding the Fourth Proportional to 304,079.70, 455,966.55 and 93,690.30

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Solution

The fourth proportional to 304,079.70, 455,966.55 and 93,690.30 is: 140,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,079.70 : 455,966.55 = 93,690.30 : x
  2. Step 2: Convert to fraction form
    304,079.70/455,966.55 = 93,690.30/x
  3. Step 3: Cross multiply
    304,079.70x = 455,966.55 × 93,690.30
  4. Step 4: Simplify right side
    304,079.70x = 42,719,642,859.47
  5. Step 5: Solve for x
    x = 42,719,642,859.47/304,079.70
  6. Step 6: Final answer
    x = 140,488.31

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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.