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Finding the Fourth Proportional to 369,711.48, 510,077.76 and 301,610.73

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Solution

The fourth proportional to 369,711.48, 510,077.76 and 301,610.73 is: 416,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,711.48 : 510,077.76 = 301,610.73 : x
  2. Step 2: Convert to fraction form
    369,711.48/510,077.76 = 301,610.73/x
  3. Step 3: Cross multiply
    369,711.48x = 510,077.76 × 301,610.73
  4. Step 4: Simplify right side
    369,711.48x = 153,844,925,550.37
  5. Step 5: Solve for x
    x = 153,844,925,550.37/369,711.48
  6. Step 6: Final answer
    x = 416,121.58

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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.