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Finding the Fourth Proportional to 334,305.47, 501,458.15 and 156,812.48

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Solution

The fourth proportional to 334,305.47, 501,458.15 and 156,812.48 is: 235,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,305.47 : 501,458.15 = 156,812.48 : x
  2. Step 2: Convert to fraction form
    334,305.47/501,458.15 = 156,812.48/x
  3. Step 3: Cross multiply
    334,305.47x = 501,458.15 × 156,812.48
  4. Step 4: Simplify right side
    334,305.47x = 78,634,893,218.39
  5. Step 5: Solve for x
    x = 78,634,893,218.39/334,305.47
  6. Step 6: Final answer
    x = 235,218.69

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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.