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Finding the Fourth Proportional to 303,516.60, 455,165.55 and 153,707.10

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Solution

The fourth proportional to 303,516.60, 455,165.55 and 153,707.10 is: 230,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,516.60 : 455,165.55 = 153,707.10 : x
  2. Step 2: Convert to fraction form
    303,516.60/455,165.55 = 153,707.10/x
  3. Step 3: Cross multiply
    303,516.60x = 455,165.55 × 153,707.10
  4. Step 4: Simplify right side
    303,516.60x = 69,962,176,710.41
  5. Step 5: Solve for x
    x = 69,962,176,710.41/303,516.60
  6. Step 6: Final answer
    x = 230,505.27

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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.