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Finding the Fourth Proportional to 303,527.60, 455,291.40 and 282,791.60

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Solution

The fourth proportional to 303,527.60, 455,291.40 and 282,791.60 is: 424,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,527.60 : 455,291.40 = 282,791.60 : x
  2. Step 2: Convert to fraction form
    303,527.60/455,291.40 = 282,791.60/x
  3. Step 3: Cross multiply
    303,527.60x = 455,291.40 × 282,791.60
  4. Step 4: Simplify right side
    303,527.60x = 128,752,583,472.24
  5. Step 5: Solve for x
    x = 128,752,583,472.24/303,527.60
  6. Step 6: Final answer
    x = 424,187.40

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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.