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Finding the Fourth Proportional to 668,596.60, 1,001,951.88 and 369,211.96

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Solution

The fourth proportional to 668,596.60, 1,001,951.88 and 369,211.96 is: 553,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,596.60 : 1,001,951.88 = 369,211.96 : x
  2. Step 2: Convert to fraction form
    668,596.60/1,001,951.88 = 369,211.96/x
  3. Step 3: Cross multiply
    668,596.60x = 1,001,951.88 × 369,211.96
  4. Step 4: Simplify right side
    668,596.60x = 369,932,617,440.49
  5. Step 5: Solve for x
    x = 369,932,617,440.49/668,596.60
  6. Step 6: Final answer
    x = 553,297.19

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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.