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Finding the Fourth Proportional to 340,295.98, 469,600.17 and 187,332.93

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Solution

The fourth proportional to 340,295.98, 469,600.17 and 187,332.93 is: 258,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,295.98 : 469,600.17 = 187,332.93 : x
  2. Step 2: Convert to fraction form
    340,295.98/469,600.17 = 187,332.93/x
  3. Step 3: Cross multiply
    340,295.98x = 469,600.17 × 187,332.93
  4. Step 4: Simplify right side
    340,295.98x = 87,971,575,774.60
  5. Step 5: Solve for x
    x = 87,971,575,774.60/340,295.98
  6. Step 6: Final answer
    x = 258,514.88

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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.