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Finding the Fourth Proportional to 527,063.20, 788,751.60 and 482,826.40

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Solution

The fourth proportional to 527,063.20, 788,751.60 and 482,826.40 is: 722,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,063.20 : 788,751.60 = 482,826.40 : x
  2. Step 2: Convert to fraction form
    527,063.20/788,751.60 = 482,826.40/x
  3. Step 3: Cross multiply
    527,063.20x = 788,751.60 × 482,826.40
  4. Step 4: Simplify right side
    527,063.20x = 380,830,095,522.24
  5. Step 5: Solve for x
    x = 380,830,095,522.24/527,063.20
  6. Step 6: Final answer
    x = 722,551.10

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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.