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Finding the Fourth Proportional to 451,616.53, 623,173.53 and 247,613.77

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Solution

The fourth proportional to 451,616.53, 623,173.53 and 247,613.77 is: 341,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,616.53 : 623,173.53 = 247,613.77 : x
  2. Step 2: Convert to fraction form
    451,616.53/623,173.53 = 247,613.77/x
  3. Step 3: Cross multiply
    451,616.53x = 623,173.53 × 247,613.77
  4. Step 4: Simplify right side
    451,616.53x = 154,306,347,127.51
  5. Step 5: Solve for x
    x = 154,306,347,127.51/451,616.53
  6. Step 6: Final answer
    x = 341,675.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.