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Finding the Fourth Proportional to 497,340.15, 745,479.06 and 283,648.01

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Solution

The fourth proportional to 497,340.15, 745,479.06 and 283,648.01 is: 425,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,340.15 : 745,479.06 = 283,648.01 : x
  2. Step 2: Convert to fraction form
    497,340.15/745,479.06 = 283,648.01/x
  3. Step 3: Cross multiply
    497,340.15x = 745,479.06 × 283,648.01
  4. Step 4: Simplify right side
    497,340.15x = 211,453,652,863.44
  5. Step 5: Solve for x
    x = 211,453,652,863.44/497,340.15
  6. Step 6: Final answer
    x = 425,169.08

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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.