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Finding the Fourth Proportional to 288,053.60, 432,080.40 and 267,058.40

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Solution

The fourth proportional to 288,053.60, 432,080.40 and 267,058.40 is: 400,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,053.60 : 432,080.40 = 267,058.40 : x
  2. Step 2: Convert to fraction form
    288,053.60/432,080.40 = 267,058.40/x
  3. Step 3: Cross multiply
    288,053.60x = 432,080.40 × 267,058.40
  4. Step 4: Simplify right side
    288,053.60x = 115,390,700,295.36
  5. Step 5: Solve for x
    x = 115,390,700,295.36/288,053.60
  6. Step 6: Final answer
    x = 400,587.60

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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.