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Finding the Fourth Proportional to 340,762.01, 470,254.68 and 187,805.66

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Solution

The fourth proportional to 340,762.01, 470,254.68 and 187,805.66 is: 259,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,762.01 : 470,254.68 = 187,805.66 : x
  2. Step 2: Convert to fraction form
    340,762.01/470,254.68 = 187,805.66/x
  3. Step 3: Cross multiply
    340,762.01x = 470,254.68 × 187,805.66
  4. Step 4: Simplify right side
    340,762.01x = 88,316,488,194.22
  5. Step 5: Solve for x
    x = 88,316,488,194.22/340,762.01
  6. Step 6: Final answer
    x = 259,173.52

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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.