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Finding the Fourth Proportional to 476,620.71, 715,094.88 and 298,919.67

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Solution

The fourth proportional to 476,620.71, 715,094.88 and 298,919.67 is: 448,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,620.71 : 715,094.88 = 298,919.67 : x
  2. Step 2: Convert to fraction form
    476,620.71/715,094.88 = 298,919.67/x
  3. Step 3: Cross multiply
    476,620.71x = 715,094.88 × 298,919.67
  4. Step 4: Simplify right side
    476,620.71x = 213,755,925,548.29
  5. Step 5: Solve for x
    x = 213,755,925,548.29/476,620.71
  6. Step 6: Final answer
    x = 448,482.24

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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.