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Finding the Fourth Proportional to 448,032.60, 672,048.90 and 167,513.40

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Solution

The fourth proportional to 448,032.60, 672,048.90 and 167,513.40 is: 251,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,032.60 : 672,048.90 = 167,513.40 : x
  2. Step 2: Convert to fraction form
    448,032.60/672,048.90 = 167,513.40/x
  3. Step 3: Cross multiply
    448,032.60x = 672,048.90 × 167,513.40
  4. Step 4: Simplify right side
    448,032.60x = 112,577,196,205.26
  5. Step 5: Solve for x
    x = 112,577,196,205.26/448,032.60
  6. Step 6: Final answer
    x = 251,270.10

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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.