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Finding the Fourth Proportional to 434,812.78, 600,047.76 and 262,706.77

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Solution

The fourth proportional to 434,812.78, 600,047.76 and 262,706.77 is: 362,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,812.78 : 600,047.76 = 262,706.77 : x
  2. Step 2: Convert to fraction form
    434,812.78/600,047.76 = 262,706.77/x
  3. Step 3: Cross multiply
    434,812.78x = 600,047.76 × 262,706.77
  4. Step 4: Simplify right side
    434,812.78x = 157,636,608,875.34
  5. Step 5: Solve for x
    x = 157,636,608,875.34/434,812.78
  6. Step 6: Final answer
    x = 362,539.04

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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.