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Finding the Fourth Proportional to 974,794.20, 1,462,750.20 and 525,513.12

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Solution

The fourth proportional to 974,794.20, 1,462,750.20 and 525,513.12 is: 788,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,794.20 : 1,462,750.20 = 525,513.12 : x
  2. Step 2: Convert to fraction form
    974,794.20/1,462,750.20 = 525,513.12/x
  3. Step 3: Cross multiply
    974,794.20x = 1,462,750.20 × 525,513.12
  4. Step 4: Simplify right side
    974,794.20x = 768,694,421,382.62
  5. Step 5: Solve for x
    x = 768,694,421,382.62/974,794.20
  6. Step 6: Final answer
    x = 788,570.98

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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.