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Finding the Fourth Proportional to 282,763.88, 390,058.44 and 179,208.64

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Solution

The fourth proportional to 282,763.88, 390,058.44 and 179,208.64 is: 247,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,763.88 : 390,058.44 = 179,208.64 : x
  2. Step 2: Convert to fraction form
    282,763.88/390,058.44 = 179,208.64/x
  3. Step 3: Cross multiply
    282,763.88x = 390,058.44 × 179,208.64
  4. Step 4: Simplify right side
    282,763.88x = 69,901,842,552.92
  5. Step 5: Solve for x
    x = 69,901,842,552.92/282,763.88
  6. Step 6: Final answer
    x = 247,209.24

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1.5x scale

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.