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Finding the Fourth Proportional to 304,081.80, 456,122.70 and 298,897.80

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Solution

The fourth proportional to 304,081.80, 456,122.70 and 298,897.80 is: 448,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,081.80 : 456,122.70 = 298,897.80 : x
  2. Step 2: Convert to fraction form
    304,081.80/456,122.70 = 298,897.80/x
  3. Step 3: Cross multiply
    304,081.80x = 456,122.70 × 298,897.80
  4. Step 4: Simplify right side
    304,081.80x = 136,334,071,560.06
  5. Step 5: Solve for x
    x = 136,334,071,560.06/304,081.80
  6. Step 6: Final answer
    x = 448,346.70

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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.