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Finding the Fourth Proportional to 316,444.34, 436,692.44 and 173,203.13

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Solution

The fourth proportional to 316,444.34, 436,692.44 and 173,203.13 is: 239,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,444.34 : 436,692.44 = 173,203.13 : x
  2. Step 2: Convert to fraction form
    316,444.34/436,692.44 = 173,203.13/x
  3. Step 3: Cross multiply
    316,444.34x = 436,692.44 × 173,203.13
  4. Step 4: Simplify right side
    316,444.34x = 75,636,495,271.88
  5. Step 5: Solve for x
    x = 75,636,495,271.88/316,444.34
  6. Step 6: Final answer
    x = 239,019.91

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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.