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Finding the Fourth Proportional to 470,192.04, 648,856.17 and 266,239.71

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Solution

The fourth proportional to 470,192.04, 648,856.17 and 266,239.71 is: 367,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,192.04 : 648,856.17 = 266,239.71 : x
  2. Step 2: Convert to fraction form
    470,192.04/648,856.17 = 266,239.71/x
  3. Step 3: Cross multiply
    470,192.04x = 648,856.17 × 266,239.71
  4. Step 4: Simplify right side
    470,192.04x = 172,751,278,532.51
  5. Step 5: Solve for x
    x = 172,751,278,532.51/470,192.04
  6. Step 6: Final answer
    x = 367,405.79

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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.