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Finding the Fourth Proportional to 557,359.20, 836,038.80 and 202,384.80

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Solution

The fourth proportional to 557,359.20, 836,038.80 and 202,384.80 is: 303,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,359.20 : 836,038.80 = 202,384.80 : x
  2. Step 2: Convert to fraction form
    557,359.20/836,038.80 = 202,384.80/x
  3. Step 3: Cross multiply
    557,359.20x = 836,038.80 × 202,384.80
  4. Step 4: Simplify right side
    557,359.20x = 169,201,545,330.24
  5. Step 5: Solve for x
    x = 169,201,545,330.24/557,359.20
  6. Step 6: Final answer
    x = 303,577.20

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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.