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Finding the Fourth Proportional to 314,987.76, 434,690.28 and 179,000.28

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Solution

The fourth proportional to 314,987.76, 434,690.28 and 179,000.28 is: 247,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,987.76 : 434,690.28 = 179,000.28 : x
  2. Step 2: Convert to fraction form
    314,987.76/434,690.28 = 179,000.28/x
  3. Step 3: Cross multiply
    314,987.76x = 434,690.28 × 179,000.28
  4. Step 4: Simplify right side
    314,987.76x = 77,809,681,833.28
  5. Step 5: Solve for x
    x = 77,809,681,833.28/314,987.76
  6. Step 6: Final answer
    x = 247,024.46

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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.