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Finding the Fourth Proportional to 886,885.56, 1,223,902.10 and 484,477.56

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Solution

The fourth proportional to 886,885.56, 1,223,902.10 and 484,477.56 is: 668,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,885.56 : 1,223,902.10 = 484,477.56 : x
  2. Step 2: Convert to fraction form
    886,885.56/1,223,902.10 = 484,477.56/x
  3. Step 3: Cross multiply
    886,885.56x = 1,223,902.10 × 484,477.56
  4. Step 4: Simplify right side
    886,885.56x = 592,953,103,086.88
  5. Step 5: Solve for x
    x = 592,953,103,086.88/886,885.56
  6. Step 6: Final answer
    x = 668,579.05

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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.