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Finding the Fourth Proportional to 434,452.80, 599,561.28 and 253,281.36

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Solution

The fourth proportional to 434,452.80, 599,561.28 and 253,281.36 is: 349,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,452.80 : 599,561.28 = 253,281.36 : x
  2. Step 2: Convert to fraction form
    434,452.80/599,561.28 = 253,281.36/x
  3. Step 3: Cross multiply
    434,452.80x = 599,561.28 × 253,281.36
  4. Step 4: Simplify right side
    434,452.80x = 151,857,696,401.74
  5. Step 5: Solve for x
    x = 151,857,696,401.74/434,452.80
  6. Step 6: Final answer
    x = 349,537.85

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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.