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Finding the Fourth Proportional to 774,930.62, 1,069,363.14 and 435,377

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Solution

The fourth proportional to 774,930.62, 1,069,363.14 and 435,377 is: 600,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,930.62 : 1,069,363.14 = 435,377 : x
  2. Step 2: Convert to fraction form
    774,930.62/1,069,363.14 = 435,377/x
  3. Step 3: Cross multiply
    774,930.62x = 1,069,363.14 × 435,377
  4. Step 4: Simplify right side
    774,930.62x = 465,576,115,803.78
  5. Step 5: Solve for x
    x = 465,576,115,803.78/774,930.62
  6. Step 6: Final answer
    x = 600,797.16

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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.