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Finding the Fourth Proportional to 488,490.90, 732,736.35 and 301,866.90

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Solution

The fourth proportional to 488,490.90, 732,736.35 and 301,866.90 is: 452,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,490.90 : 732,736.35 = 301,866.90 : x
  2. Step 2: Convert to fraction form
    488,490.90/732,736.35 = 301,866.90/x
  3. Step 3: Cross multiply
    488,490.90x = 732,736.35 × 301,866.90
  4. Step 4: Simplify right side
    488,490.90x = 221,188,850,491.82
  5. Step 5: Solve for x
    x = 221,188,850,491.82/488,490.90
  6. Step 6: Final answer
    x = 452,800.35

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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.