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Finding the Fourth Proportional to 965,897.60, 1,449,040.80 and 334,680.80

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Solution

The fourth proportional to 965,897.60, 1,449,040.80 and 334,680.80 is: 502,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,897.60 : 1,449,040.80 = 334,680.80 : x
  2. Step 2: Convert to fraction form
    965,897.60/1,449,040.80 = 334,680.80/x
  3. Step 3: Cross multiply
    965,897.60x = 1,449,040.80 × 334,680.80
  4. Step 4: Simplify right side
    965,897.60x = 484,966,134,176.64
  5. Step 5: Solve for x
    x = 484,966,134,176.64/965,897.60
  6. Step 6: Final answer
    x = 502,088.56

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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.