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Finding the Fourth Proportional to 302,424.88, 416,445.48 and 295,711.93

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Solution

The fourth proportional to 302,424.88, 416,445.48 and 295,711.93 is: 407,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,424.88 : 416,445.48 = 295,711.93 : x
  2. Step 2: Convert to fraction form
    302,424.88/416,445.48 = 295,711.93/x
  3. Step 3: Cross multiply
    302,424.88x = 416,445.48 × 295,711.93
  4. Step 4: Simplify right side
    302,424.88x = 123,147,896,630.58
  5. Step 5: Solve for x
    x = 123,147,896,630.58/302,424.88
  6. Step 6: Final answer
    x = 407,201.61

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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.