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Finding the Fourth Proportional to 553,794.18, 830,139.18 and 234,026.70

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Solution

The fourth proportional to 553,794.18, 830,139.18 and 234,026.70 is: 350,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,794.18 : 830,139.18 = 234,026.70 : x
  2. Step 2: Convert to fraction form
    553,794.18/830,139.18 = 234,026.70/x
  3. Step 3: Cross multiply
    553,794.18x = 830,139.18 × 234,026.70
  4. Step 4: Simplify right side
    553,794.18x = 194,274,732,836.11
  5. Step 5: Solve for x
    x = 194,274,732,836.11/553,794.18
  6. Step 6: Final answer
    x = 350,806.74

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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.