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Finding the Fourth Proportional to 434,834.68, 600,077.84 and 262,728.60

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Solution

The fourth proportional to 434,834.68, 600,077.84 and 262,728.60 is: 362,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,834.68 : 600,077.84 = 262,728.60 : x
  2. Step 2: Convert to fraction form
    434,834.68/600,077.84 = 262,728.60/x
  3. Step 3: Cross multiply
    434,834.68x = 600,077.84 × 262,728.60
  4. Step 4: Simplify right side
    434,834.68x = 157,657,610,794.22
  5. Step 5: Solve for x
    x = 157,657,610,794.22/434,834.68
  6. Step 6: Final answer
    x = 362,569.08

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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.