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Finding the Fourth Proportional to 455,580.65, 683,389.71 and 156,267.02

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Solution

The fourth proportional to 455,580.65, 683,389.71 and 156,267.02 is: 234,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,580.65 : 683,389.71 = 156,267.02 : x
  2. Step 2: Convert to fraction form
    455,580.65/683,389.71 = 156,267.02/x
  3. Step 3: Cross multiply
    455,580.65x = 683,389.71 × 156,267.02
  4. Step 4: Simplify right side
    455,580.65x = 106,791,275,188.84
  5. Step 5: Solve for x
    x = 106,791,275,188.84/455,580.65
  6. Step 6: Final answer
    x = 234,406.96

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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.