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Finding the Fourth Proportional to 303,603.60, 455,405.40 and 294,855.60

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Solution

The fourth proportional to 303,603.60, 455,405.40 and 294,855.60 is: 442,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,603.60 : 455,405.40 = 294,855.60 : x
  2. Step 2: Convert to fraction form
    303,603.60/455,405.40 = 294,855.60/x
  3. Step 3: Cross multiply
    303,603.60x = 455,405.40 × 294,855.60
  4. Step 4: Simplify right side
    303,603.60x = 134,278,832,460.24
  5. Step 5: Solve for x
    x = 134,278,832,460.24/303,603.60
  6. Step 6: Final answer
    x = 442,283.40

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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.