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Finding the Fourth Proportional to 598,903.70, 898,355.55 and 555,601.10

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Solution

The fourth proportional to 598,903.70, 898,355.55 and 555,601.10 is: 833,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,903.70 : 898,355.55 = 555,601.10 : x
  2. Step 2: Convert to fraction form
    598,903.70/898,355.55 = 555,601.10/x
  3. Step 3: Cross multiply
    598,903.70x = 898,355.55 × 555,601.10
  4. Step 4: Simplify right side
    598,903.70x = 499,127,331,771.11
  5. Step 5: Solve for x
    x = 499,127,331,771.11/598,903.70
  6. Step 6: Final answer
    x = 833,401.65

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Double scale
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Similar ratio
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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.