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Finding the Fourth Proportional to 340,296.98, 469,601.55 and 187,333.93

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Solution

The fourth proportional to 340,296.98, 469,601.55 and 187,333.93 is: 258,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,296.98 : 469,601.55 = 187,333.93 : x
  2. Step 2: Convert to fraction form
    340,296.98/469,601.55 = 187,333.93/x
  3. Step 3: Cross multiply
    340,296.98x = 469,601.55 × 187,333.93
  4. Step 4: Simplify right side
    340,296.98x = 87,972,303,895.59
  5. Step 5: Solve for x
    x = 87,972,303,895.59/340,296.98
  6. Step 6: Final answer
    x = 258,516.26

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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.