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Finding the Fourth Proportional to 713,508.97, 1,070,442.06 and 208,070

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Solution

The fourth proportional to 713,508.97, 1,070,442.06 and 208,070 is: 312,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,508.97 : 1,070,442.06 = 208,070 : x
  2. Step 2: Convert to fraction form
    713,508.97/1,070,442.06 = 208,070/x
  3. Step 3: Cross multiply
    713,508.97x = 1,070,442.06 × 208,070
  4. Step 4: Simplify right side
    713,508.97x = 222,726,879,424.20
  5. Step 5: Solve for x
    x = 222,726,879,424.20/713,508.97
  6. Step 6: Final answer
    x = 312,157.08

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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.