Home / 369,202.20-553,803.30-275,890.20

Finding the Fourth Proportional to 369,202.20, 553,803.30 and 275,890.20

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Solution

The fourth proportional to 369,202.20, 553,803.30 and 275,890.20 is: 413,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,202.20 : 553,803.30 = 275,890.20 : x
  2. Step 2: Convert to fraction form
    369,202.20/553,803.30 = 275,890.20/x
  3. Step 3: Cross multiply
    369,202.20x = 553,803.30 × 275,890.20
  4. Step 4: Simplify right side
    369,202.20x = 152,788,903,197.66
  5. Step 5: Solve for x
    x = 152,788,903,197.66/369,202.20
  6. Step 6: Final answer
    x = 413,835.30

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Double scale
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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.