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Finding the Fourth Proportional to 448,019.60, 672,029.40 and 224,070.80

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Solution

The fourth proportional to 448,019.60, 672,029.40 and 224,070.80 is: 336,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,019.60 : 672,029.40 = 224,070.80 : x
  2. Step 2: Convert to fraction form
    448,019.60/672,029.40 = 224,070.80/x
  3. Step 3: Cross multiply
    448,019.60x = 672,029.40 × 224,070.80
  4. Step 4: Simplify right side
    448,019.60x = 150,582,165,281.52
  5. Step 5: Solve for x
    x = 150,582,165,281.52/448,019.60
  6. Step 6: Final answer
    x = 336,106.20

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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.