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Finding the Fourth Proportional to 487,784.77, 673,161.00 and 267,037.53

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Solution

The fourth proportional to 487,784.77, 673,161.00 and 267,037.53 is: 368,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,784.77 : 673,161.00 = 267,037.53 : x
  2. Step 2: Convert to fraction form
    487,784.77/673,161.00 = 267,037.53/x
  3. Step 3: Cross multiply
    487,784.77x = 673,161.00 × 267,037.53
  4. Step 4: Simplify right side
    487,784.77x = 179,759,246,031.34
  5. Step 5: Solve for x
    x = 179,759,246,031.34/487,784.77
  6. Step 6: Final answer
    x = 368,521.65

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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.