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Finding the Fourth Proportional to 630,894.99, 946,337.22 and 157,577.16

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Solution

The fourth proportional to 630,894.99, 946,337.22 and 157,577.16 is: 236,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,894.99 : 946,337.22 = 157,577.16 : x
  2. Step 2: Convert to fraction form
    630,894.99/946,337.22 = 157,577.16/x
  3. Step 3: Cross multiply
    630,894.99x = 946,337.22 × 157,577.16
  4. Step 4: Simplify right side
    630,894.99x = 149,121,131,529.90
  5. Step 5: Solve for x
    x = 149,121,131,529.90/630,894.99
  6. Step 6: Final answer
    x = 236,364.42

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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.