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Finding the Fourth Proportional to 598,922.70, 898,384.05 and 555,620.10

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Solution

The fourth proportional to 598,922.70, 898,384.05 and 555,620.10 is: 833,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,922.70 : 898,384.05 = 555,620.10 : x
  2. Step 2: Convert to fraction form
    598,922.70/898,384.05 = 555,620.10/x
  3. Step 3: Cross multiply
    598,922.70x = 898,384.05 × 555,620.10
  4. Step 4: Simplify right side
    598,922.70x = 499,160,235,699.41
  5. Step 5: Solve for x
    x = 499,160,235,699.41/598,922.70
  6. Step 6: Final answer
    x = 833,430.15

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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.