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Finding the Fourth Proportional to 304,353.06, 456,397.34 and 144,474.80

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Solution

The fourth proportional to 304,353.06, 456,397.34 and 144,474.80 is: 216,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,353.06 : 456,397.34 = 144,474.80 : x
  2. Step 2: Convert to fraction form
    304,353.06/456,397.34 = 144,474.80/x
  3. Step 3: Cross multiply
    304,353.06x = 456,397.34 × 144,474.80
  4. Step 4: Simplify right side
    304,353.06x = 65,937,914,417.03
  5. Step 5: Solve for x
    x = 65,937,914,417.03/304,353.06
  6. Step 6: Final answer
    x = 216,649.42

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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.