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Finding the Fourth Proportional to 448,053.60, 672,199.20 and 195,225.60

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Solution

The fourth proportional to 448,053.60, 672,199.20 and 195,225.60 is: 292,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,053.60 : 672,199.20 = 195,225.60 : x
  2. Step 2: Convert to fraction form
    448,053.60/672,199.20 = 195,225.60/x
  3. Step 3: Cross multiply
    448,053.60x = 672,199.20 × 195,225.60
  4. Step 4: Simplify right side
    448,053.60x = 131,230,492,139.52
  5. Step 5: Solve for x
    x = 131,230,492,139.52/448,053.60
  6. Step 6: Final answer
    x = 292,890.16

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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.