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Finding the Fourth Proportional to 434,860.56, 652,311.32 and 358,818.02

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Solution

The fourth proportional to 434,860.56, 652,311.32 and 358,818.02 is: 538,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,860.56 : 652,311.32 = 358,818.02 : x
  2. Step 2: Convert to fraction form
    434,860.56/652,311.32 = 358,818.02/x
  3. Step 3: Cross multiply
    434,860.56x = 652,311.32 × 358,818.02
  4. Step 4: Simplify right side
    434,860.56x = 234,061,056,265.99
  5. Step 5: Solve for x
    x = 234,061,056,265.99/434,860.56
  6. Step 6: Final answer
    x = 538,243.93

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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.