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Finding the Fourth Proportional to 606,904.60, 910,356.90 and 157,621.90

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Solution

The fourth proportional to 606,904.60, 910,356.90 and 157,621.90 is: 236,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,904.60 : 910,356.90 = 157,621.90 : x
  2. Step 2: Convert to fraction form
    606,904.60/910,356.90 = 157,621.90/x
  3. Step 3: Cross multiply
    606,904.60x = 910,356.90 × 157,621.90
  4. Step 4: Simplify right side
    606,904.60x = 143,492,184,256.11
  5. Step 5: Solve for x
    x = 143,492,184,256.11/606,904.60
  6. Step 6: Final answer
    x = 236,432.85

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Similar ratio
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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.