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Finding the Fourth Proportional to 303,097.60, 454,603.20 and 103,427.20

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Solution

The fourth proportional to 303,097.60, 454,603.20 and 103,427.20 is: 155,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,097.60 : 454,603.20 = 103,427.20 : x
  2. Step 2: Convert to fraction form
    303,097.60/454,603.20 = 103,427.20/x
  3. Step 3: Cross multiply
    303,097.60x = 454,603.20 × 103,427.20
  4. Step 4: Simplify right side
    303,097.60x = 47,018,336,087.04
  5. Step 5: Solve for x
    x = 47,018,336,087.04/303,097.60
  6. Step 6: Final answer
    x = 155,126.06

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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.