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Finding the Fourth Proportional to 402,074.65, 601,604.52 and 239,373.58

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Solution

The fourth proportional to 402,074.65, 601,604.52 and 239,373.58 is: 358,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,074.65 : 601,604.52 = 239,373.58 : x
  2. Step 2: Convert to fraction form
    402,074.65/601,604.52 = 239,373.58/x
  3. Step 3: Cross multiply
    402,074.65x = 601,604.52 × 239,373.58
  4. Step 4: Simplify right side
    402,074.65x = 144,008,227,696.58
  5. Step 5: Solve for x
    x = 144,008,227,696.58/402,074.65
  6. Step 6: Final answer
    x = 358,162.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.