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Finding the Fourth Proportional to 348,001.65, 480,473.64 and 267,284.88

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Solution

The fourth proportional to 348,001.65, 480,473.64 and 267,284.88 is: 369,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,001.65 : 480,473.64 = 267,284.88 : x
  2. Step 2: Convert to fraction form
    348,001.65/480,473.64 = 267,284.88/x
  3. Step 3: Cross multiply
    348,001.65x = 480,473.64 × 267,284.88
  4. Step 4: Simplify right side
    348,001.65x = 128,423,339,210.56
  5. Step 5: Solve for x
    x = 128,423,339,210.56/348,001.65
  6. Step 6: Final answer
    x = 369,030.83

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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.