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Finding the Fourth Proportional to 261,239.69, 360,514.89 and 146,543.83

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Solution

The fourth proportional to 261,239.69, 360,514.89 and 146,543.83 is: 202,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,239.69 : 360,514.89 = 146,543.83 : x
  2. Step 2: Convert to fraction form
    261,239.69/360,514.89 = 146,543.83/x
  3. Step 3: Cross multiply
    261,239.69x = 360,514.89 × 146,543.83
  4. Step 4: Simplify right side
    261,239.69x = 52,831,232,752.63
  5. Step 5: Solve for x
    x = 52,831,232,752.63/261,239.69
  6. Step 6: Final answer
    x = 202,232.80

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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.