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Finding the Fourth Proportional to 654,316.80, 903,052.80 and 367,860.48

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Solution

The fourth proportional to 654,316.80, 903,052.80 and 367,860.48 is: 507,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,316.80 : 903,052.80 = 367,860.48 : x
  2. Step 2: Convert to fraction form
    654,316.80/903,052.80 = 367,860.48/x
  3. Step 3: Cross multiply
    654,316.80x = 903,052.80 × 367,860.48
  4. Step 4: Simplify right side
    654,316.80x = 332,197,436,473.34
  5. Step 5: Solve for x
    x = 332,197,436,473.34/654,316.80
  6. Step 6: Final answer
    x = 507,701.22

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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.