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Finding the Fourth Proportional to 657,041.22, 906,715.62 and 370,560.42

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Solution

The fourth proportional to 657,041.22, 906,715.62 and 370,560.42 is: 511,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,041.22 : 906,715.62 = 370,560.42 : x
  2. Step 2: Convert to fraction form
    657,041.22/906,715.62 = 370,560.42/x
  3. Step 3: Cross multiply
    657,041.22x = 906,715.62 × 370,560.42
  4. Step 4: Simplify right side
    657,041.22x = 335,992,920,967.76
  5. Step 5: Solve for x
    x = 335,992,920,967.76/657,041.22
  6. Step 6: Final answer
    x = 511,372.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.