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Finding the Fourth Proportional to 488,273.40, 732,410.10 and 310,907.70

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Solution

The fourth proportional to 488,273.40, 732,410.10 and 310,907.70 is: 466,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,273.40 : 732,410.10 = 310,907.70 : x
  2. Step 2: Convert to fraction form
    488,273.40/732,410.10 = 310,907.70/x
  3. Step 3: Cross multiply
    488,273.40x = 732,410.10 × 310,907.70
  4. Step 4: Simplify right side
    488,273.40x = 227,711,939,647.77
  5. Step 5: Solve for x
    x = 227,711,939,647.77/488,273.40
  6. Step 6: Final answer
    x = 466,361.55

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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.