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Finding the Fourth Proportional to 272,064.70, 408,097.05 and 243,034.30

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Solution

The fourth proportional to 272,064.70, 408,097.05 and 243,034.30 is: 364,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,064.70 : 408,097.05 = 243,034.30 : x
  2. Step 2: Convert to fraction form
    272,064.70/408,097.05 = 243,034.30/x
  3. Step 3: Cross multiply
    272,064.70x = 408,097.05 × 243,034.30
  4. Step 4: Simplify right side
    272,064.70x = 99,181,580,878.82
  5. Step 5: Solve for x
    x = 99,181,580,878.82/272,064.70
  6. Step 6: Final answer
    x = 364,551.45

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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.