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Finding the Fourth Proportional to 346,747.20, 520,120.80 and 296,008.80

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Solution

The fourth proportional to 346,747.20, 520,120.80 and 296,008.80 is: 444,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,747.20 : 520,120.80 = 296,008.80 : x
  2. Step 2: Convert to fraction form
    346,747.20/520,120.80 = 296,008.80/x
  3. Step 3: Cross multiply
    346,747.20x = 520,120.80 × 296,008.80
  4. Step 4: Simplify right side
    346,747.20x = 153,960,333,863.04
  5. Step 5: Solve for x
    x = 153,960,333,863.04/346,747.20
  6. Step 6: Final answer
    x = 444,013.20

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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.