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Finding the Fourth Proportional to 301,966.60, 452,948.28 and 77,326.60

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Solution

The fourth proportional to 301,966.60, 452,948.28 and 77,326.60 is: 115,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,966.60 : 452,948.28 = 77,326.60 : x
  2. Step 2: Convert to fraction form
    301,966.60/452,948.28 = 77,326.60/x
  3. Step 3: Cross multiply
    301,966.60x = 452,948.28 × 77,326.60
  4. Step 4: Simplify right side
    301,966.60x = 35,024,950,468.25
  5. Step 5: Solve for x
    x = 35,024,950,468.25/301,966.60
  6. Step 6: Final answer
    x = 115,989.49

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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.