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Finding the Fourth Proportional to 316,692.57, 437,041.44 and 173,443.40

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Solution

The fourth proportional to 316,692.57, 437,041.44 and 173,443.40 is: 239,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,692.57 : 437,041.44 = 173,443.40 : x
  2. Step 2: Convert to fraction form
    316,692.57/437,041.44 = 173,443.40/x
  3. Step 3: Cross multiply
    316,692.57x = 437,041.44 × 173,443.40
  4. Step 4: Simplify right side
    316,692.57x = 75,801,953,294.50
  5. Step 5: Solve for x
    x = 75,801,953,294.50/316,692.57
  6. Step 6: Final answer
    x = 239,355.01

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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.