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Finding the Fourth Proportional to 885,652.70, 1,328,608.65 and 464,960.30

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Solution

The fourth proportional to 885,652.70, 1,328,608.65 and 464,960.30 is: 697,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,652.70 : 1,328,608.65 = 464,960.30 : x
  2. Step 2: Convert to fraction form
    885,652.70/1,328,608.65 = 464,960.30/x
  3. Step 3: Cross multiply
    885,652.70x = 1,328,608.65 × 464,960.30
  4. Step 4: Simplify right side
    885,652.70x = 617,750,276,486.60
  5. Step 5: Solve for x
    x = 617,750,276,486.60/885,652.70
  6. Step 6: Final answer
    x = 697,508.49

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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.