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Finding the Fourth Proportional to 1,062,928.62, 1,594,398.69 and 314,981.10

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Solution

The fourth proportional to 1,062,928.62, 1,594,398.69 and 314,981.10 is: 472,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,928.62 : 1,594,398.69 = 314,981.10 : x
  2. Step 2: Convert to fraction form
    1,062,928.62/1,594,398.69 = 314,981.10/x
  3. Step 3: Cross multiply
    1,062,928.62x = 1,594,398.69 × 314,981.10
  4. Step 4: Simplify right side
    1,062,928.62x = 502,205,453,214.76
  5. Step 5: Solve for x
    x = 502,205,453,214.76/1,062,928.62
  6. Step 6: Final answer
    x = 472,473.36

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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.