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Finding the Fourth Proportional to 610,592.85, 842,066.58 and 381,171.32

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Solution

The fourth proportional to 610,592.85, 842,066.58 and 381,171.32 is: 525,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,592.85 : 842,066.58 = 381,171.32 : x
  2. Step 2: Convert to fraction form
    610,592.85/842,066.58 = 381,171.32/x
  3. Step 3: Cross multiply
    610,592.85x = 842,066.58 × 381,171.32
  4. Step 4: Simplify right side
    610,592.85x = 320,971,630,203.30
  5. Step 5: Solve for x
    x = 320,971,630,203.30/610,592.85
  6. Step 6: Final answer
    x = 525,672.11

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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.