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Finding the Fourth Proportional to 245,298.30, 367,947.45 and 127,200.30

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Solution

The fourth proportional to 245,298.30, 367,947.45 and 127,200.30 is: 190,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,298.30 : 367,947.45 = 127,200.30 : x
  2. Step 2: Convert to fraction form
    245,298.30/367,947.45 = 127,200.30/x
  3. Step 3: Cross multiply
    245,298.30x = 367,947.45 × 127,200.30
  4. Step 4: Simplify right side
    245,298.30x = 46,803,026,024.24
  5. Step 5: Solve for x
    x = 46,803,026,024.24/245,298.30
  6. Step 6: Final answer
    x = 190,800.45

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Similar ratio
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1.5x scale

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.