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Finding the Fourth Proportional to 602,209.80, 903,436.20 and 175,744.80

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Solution

The fourth proportional to 602,209.80, 903,436.20 and 175,744.80 is: 263,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,209.80 : 903,436.20 = 175,744.80 : x
  2. Step 2: Convert to fraction form
    602,209.80/903,436.20 = 175,744.80/x
  3. Step 3: Cross multiply
    602,209.80x = 903,436.20 × 175,744.80
  4. Step 4: Simplify right side
    602,209.80x = 158,774,214,281.76
  5. Step 5: Solve for x
    x = 158,774,214,281.76/602,209.80
  6. Step 6: Final answer
    x = 263,652.66

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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.