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Finding the Fourth Proportional to 881,184.16, 1,216,029.88 and 499,210

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Solution

The fourth proportional to 881,184.16, 1,216,029.88 and 499,210 is: 688,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,184.16 : 1,216,029.88 = 499,210 : x
  2. Step 2: Convert to fraction form
    881,184.16/1,216,029.88 = 499,210/x
  3. Step 3: Cross multiply
    881,184.16x = 1,216,029.88 × 499,210
  4. Step 4: Simplify right side
    881,184.16x = 607,054,276,394.80
  5. Step 5: Solve for x
    x = 607,054,276,394.80/881,184.16
  6. Step 6: Final answer
    x = 688,907.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.