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Finding the Fourth Proportional to 370,429.76, 555,644.64 and 246,013.76

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Solution

The fourth proportional to 370,429.76, 555,644.64 and 246,013.76 is: 369,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,429.76 : 555,644.64 = 246,013.76 : x
  2. Step 2: Convert to fraction form
    370,429.76/555,644.64 = 246,013.76/x
  3. Step 3: Cross multiply
    370,429.76x = 555,644.64 × 246,013.76
  4. Step 4: Simplify right side
    370,429.76x = 136,696,227,110.25
  5. Step 5: Solve for x
    x = 136,696,227,110.25/370,429.76
  6. Step 6: Final answer
    x = 369,020.64

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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.