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Finding the Fourth Proportional to 338,498.50, 467,127.93 and 187,605.22

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Solution

The fourth proportional to 338,498.50, 467,127.93 and 187,605.22 is: 258,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,498.50 : 467,127.93 = 187,605.22 : x
  2. Step 2: Convert to fraction form
    338,498.50/467,127.93 = 187,605.22/x
  3. Step 3: Cross multiply
    338,498.50x = 467,127.93 × 187,605.22
  4. Step 4: Simplify right side
    338,498.50x = 87,635,638,075.79
  5. Step 5: Solve for x
    x = 87,635,638,075.79/338,498.50
  6. Step 6: Final answer
    x = 258,895.20

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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.