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Finding the Fourth Proportional to 434,680.52, 599,861.28 and 253,518.08

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Solution

The fourth proportional to 434,680.52, 599,861.28 and 253,518.08 is: 349,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,680.52 : 599,861.28 = 253,518.08 : x
  2. Step 2: Convert to fraction form
    434,680.52/599,861.28 = 253,518.08/x
  3. Step 3: Cross multiply
    434,680.52x = 599,861.28 × 253,518.08
  4. Step 4: Simplify right side
    434,680.52x = 152,075,679,971.94
  5. Step 5: Solve for x
    x = 152,075,679,971.94/434,680.52
  6. Step 6: Final answer
    x = 349,856.21

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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.