Home / 470,148.48-648,788.13-255,284.10

Finding the Fourth Proportional to 470,148.48, 648,788.13 and 255,284.10

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Solution

The fourth proportional to 470,148.48, 648,788.13 and 255,284.10 is: 352,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,148.48 : 648,788.13 = 255,284.10 : x
  2. Step 2: Convert to fraction form
    470,148.48/648,788.13 = 255,284.10/x
  3. Step 3: Cross multiply
    470,148.48x = 648,788.13 × 255,284.10
  4. Step 4: Simplify right side
    470,148.48x = 165,625,293,857.73
  5. Step 5: Solve for x
    x = 165,625,293,857.73/470,148.48
  6. Step 6: Final answer
    x = 352,282.95

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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.