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Finding the Fourth Proportional to 261,301.52, 360,552.79 and 153,832.34

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Solution

The fourth proportional to 261,301.52, 360,552.79 and 153,832.34 is: 212,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,301.52 : 360,552.79 = 153,832.34 : x
  2. Step 2: Convert to fraction form
    261,301.52/360,552.79 = 153,832.34/x
  3. Step 3: Cross multiply
    261,301.52x = 360,552.79 × 153,832.34
  4. Step 4: Simplify right side
    261,301.52x = 55,464,679,379.23
  5. Step 5: Solve for x
    x = 55,464,679,379.23/261,301.52
  6. Step 6: Final answer
    x = 212,263.13

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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.