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Finding the Fourth Proportional to 340,297.98, 469,602.93 and 187,334.93

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Solution

The fourth proportional to 340,297.98, 469,602.93 and 187,334.93 is: 258,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,297.98 : 469,602.93 = 187,334.93 : x
  2. Step 2: Convert to fraction form
    340,297.98/469,602.93 = 187,334.93/x
  3. Step 3: Cross multiply
    340,297.98x = 469,602.93 × 187,334.93
  4. Step 4: Simplify right side
    340,297.98x = 87,973,032,019.34
  5. Step 5: Solve for x
    x = 87,973,032,019.34/340,297.98
  6. Step 6: Final answer
    x = 258,517.64

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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.