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Finding the Fourth Proportional to 313,349.60, 469,929.36 and 88,692.32

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Solution

The fourth proportional to 313,349.60, 469,929.36 and 88,692.32 is: 133,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,349.60 : 469,929.36 = 88,692.32 : x
  2. Step 2: Convert to fraction form
    313,349.60/469,929.36 = 88,692.32/x
  3. Step 3: Cross multiply
    313,349.60x = 469,929.36 × 88,692.32
  4. Step 4: Simplify right side
    313,349.60x = 41,679,125,174.52
  5. Step 5: Solve for x
    x = 41,679,125,174.52/313,349.60
  6. Step 6: Final answer
    x = 133,011.58

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1.5x scale

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.