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Finding the Fourth Proportional to 448,726.58, 672,100.97 and 370,905.97

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Solution

The fourth proportional to 448,726.58, 672,100.97 and 370,905.97 is: 555,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,726.58 : 672,100.97 = 370,905.97 : x
  2. Step 2: Convert to fraction form
    448,726.58/672,100.97 = 370,905.97/x
  3. Step 3: Cross multiply
    448,726.58x = 672,100.97 × 370,905.97
  4. Step 4: Simplify right side
    448,726.58x = 249,286,258,681.01
  5. Step 5: Solve for x
    x = 249,286,258,681.01/448,726.58
  6. Step 6: Final answer
    x = 555,541.54

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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.