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Finding the Fourth Proportional to 482,070.51, 665,289.32 and 267,219.63

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Solution

The fourth proportional to 482,070.51, 665,289.32 and 267,219.63 is: 368,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,070.51 : 665,289.32 = 267,219.63 : x
  2. Step 2: Convert to fraction form
    482,070.51/665,289.32 = 267,219.63/x
  3. Step 3: Cross multiply
    482,070.51x = 665,289.32 × 267,219.63
  4. Step 4: Simplify right side
    482,070.51x = 177,778,364,597.25
  5. Step 5: Solve for x
    x = 177,778,364,597.25/482,070.51
  6. Step 6: Final answer
    x = 368,780.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.