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Finding the Fourth Proportional to 360,026.40, 539,780.40 and 202,303.20

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Solution

The fourth proportional to 360,026.40, 539,780.40 and 202,303.20 is: 303,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,026.40 : 539,780.40 = 202,303.20 : x
  2. Step 2: Convert to fraction form
    360,026.40/539,780.40 = 202,303.20/x
  3. Step 3: Cross multiply
    360,026.40x = 539,780.40 × 202,303.20
  4. Step 4: Simplify right side
    360,026.40x = 109,199,302,217.28
  5. Step 5: Solve for x
    x = 109,199,302,217.28/360,026.40
  6. Step 6: Final answer
    x = 303,309.15

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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.