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Finding the Fourth Proportional to 288,026.34, 432,080.52 and 153,055.17

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Solution

The fourth proportional to 288,026.34, 432,080.52 and 153,055.17 is: 229,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,026.34 : 432,080.52 = 153,055.17 : x
  2. Step 2: Convert to fraction form
    288,026.34/432,080.52 = 153,055.17/x
  3. Step 3: Cross multiply
    288,026.34x = 432,080.52 × 153,055.17
  4. Step 4: Simplify right side
    288,026.34x = 66,132,157,442.29
  5. Step 5: Solve for x
    x = 66,132,157,442.29/288,026.34
  6. Step 6: Final answer
    x = 229,604.55

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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.