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Finding the Fourth Proportional to 896,308.16, 1,236,847.04 and 493,900.16

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Solution

The fourth proportional to 896,308.16, 1,236,847.04 and 493,900.16 is: 681,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,308.16 : 1,236,847.04 = 493,900.16 : x
  2. Step 2: Convert to fraction form
    896,308.16/1,236,847.04 = 493,900.16/x
  3. Step 3: Cross multiply
    896,308.16x = 1,236,847.04 × 493,900.16
  4. Step 4: Simplify right side
    896,308.16x = 610,878,950,951.53
  5. Step 5: Solve for x
    x = 610,878,950,951.53/896,308.16
  6. Step 6: Final answer
    x = 681,550.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.