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Finding the Fourth Proportional to 578,897.19, 798,880.41 and 324,248.40

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Solution

The fourth proportional to 578,897.19, 798,880.41 and 324,248.40 is: 447,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,897.19 : 798,880.41 = 324,248.40 : x
  2. Step 2: Convert to fraction form
    578,897.19/798,880.41 = 324,248.40/x
  3. Step 3: Cross multiply
    578,897.19x = 798,880.41 × 324,248.40
  4. Step 4: Simplify right side
    578,897.19x = 259,035,694,733.84
  5. Step 5: Solve for x
    x = 259,035,694,733.84/578,897.19
  6. Step 6: Final answer
    x = 447,464.07

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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.