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Finding the Fourth Proportional to 934,357.54, 1,401,303.03 and 303,451.78

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Solution

The fourth proportional to 934,357.54, 1,401,303.03 and 303,451.78 is: 455,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,357.54 : 1,401,303.03 = 303,451.78 : x
  2. Step 2: Convert to fraction form
    934,357.54/1,401,303.03 = 303,451.78/x
  3. Step 3: Cross multiply
    934,357.54x = 1,401,303.03 × 303,451.78
  4. Step 4: Simplify right side
    934,357.54x = 425,227,898,772.89
  5. Step 5: Solve for x
    x = 425,227,898,772.89/934,357.54
  6. Step 6: Final answer
    x = 455,101.91

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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.