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Finding the Fourth Proportional to 518,821.91, 773,075.02 and 462,227.14

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Solution

The fourth proportional to 518,821.91, 773,075.02 and 462,227.14 is: 688,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,821.91 : 773,075.02 = 462,227.14 : x
  2. Step 2: Convert to fraction form
    518,821.91/773,075.02 = 462,227.14/x
  3. Step 3: Cross multiply
    518,821.91x = 773,075.02 × 462,227.14
  4. Step 4: Simplify right side
    518,821.91x = 357,336,255,500.04
  5. Step 5: Solve for x
    x = 357,336,255,500.04/518,821.91
  6. Step 6: Final answer
    x = 688,745.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.