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Finding the Fourth Proportional to 506,144.72, 759,218.12 and 151,130.86

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Solution

The fourth proportional to 506,144.72, 759,218.12 and 151,130.86 is: 226,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,144.72 : 759,218.12 = 151,130.86 : x
  2. Step 2: Convert to fraction form
    506,144.72/759,218.12 = 151,130.86/x
  3. Step 3: Cross multiply
    506,144.72x = 759,218.12 × 151,130.86
  4. Step 4: Simplify right side
    506,144.72x = 114,741,287,403.18
  5. Step 5: Solve for x
    x = 114,741,287,403.18/506,144.72
  6. Step 6: Final answer
    x = 226,696.60

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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.