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Finding the Fourth Proportional to 260,377.17, 359,303.52 and 145,635.93

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Solution

The fourth proportional to 260,377.17, 359,303.52 and 145,635.93 is: 200,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,377.17 : 359,303.52 = 145,635.93 : x
  2. Step 2: Convert to fraction form
    260,377.17/359,303.52 = 145,635.93/x
  3. Step 3: Cross multiply
    260,377.17x = 359,303.52 × 145,635.93
  4. Step 4: Simplify right side
    260,377.17x = 52,327,502,287.47
  5. Step 5: Solve for x
    x = 52,327,502,287.47/260,377.17
  6. Step 6: Final answer
    x = 200,968.09

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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.