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Finding the Fourth Proportional to 320,047.08, 480,011.22 and 117,598.92

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Solution

The fourth proportional to 320,047.08, 480,011.22 and 117,598.92 is: 176,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,047.08 : 480,011.22 = 117,598.92 : x
  2. Step 2: Convert to fraction form
    320,047.08/480,011.22 = 117,598.92/x
  3. Step 3: Cross multiply
    320,047.08x = 480,011.22 × 117,598.92
  4. Step 4: Simplify right side
    320,047.08x = 56,448,801,059.88
  5. Step 5: Solve for x
    x = 56,448,801,059.88/320,047.08
  6. Step 6: Final answer
    x = 176,376.55

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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.