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Finding the Fourth Proportional to 434,667.60, 652,114.80 and 168,436.80

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Solution

The fourth proportional to 434,667.60, 652,114.80 and 168,436.80 is: 252,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,667.60 : 652,114.80 = 168,436.80 : x
  2. Step 2: Convert to fraction form
    434,667.60/652,114.80 = 168,436.80/x
  3. Step 3: Cross multiply
    434,667.60x = 652,114.80 × 168,436.80
  4. Step 4: Simplify right side
    434,667.60x = 109,840,130,144.64
  5. Step 5: Solve for x
    x = 109,840,130,144.64/434,667.60
  6. Step 6: Final answer
    x = 252,699.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.