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Finding the Fourth Proportional to 334,058.50, 501,116.91 and 84,740.50

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Solution

The fourth proportional to 334,058.50, 501,116.91 and 84,740.50 is: 127,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,058.50 : 501,116.91 = 84,740.50 : x
  2. Step 2: Convert to fraction form
    334,058.50/501,116.91 = 84,740.50/x
  3. Step 3: Cross multiply
    334,058.50x = 501,116.91 × 84,740.50
  4. Step 4: Simplify right side
    334,058.50x = 42,464,897,511.86
  5. Step 5: Solve for x
    x = 42,464,897,511.86/334,058.50
  6. Step 6: Final answer
    x = 127,118.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.