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Finding the Fourth Proportional to 654,756.90, 903,555.45 and 368,277.18

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Solution

The fourth proportional to 654,756.90, 903,555.45 and 368,277.18 is: 508,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,756.90 : 903,555.45 = 368,277.18 : x
  2. Step 2: Convert to fraction form
    654,756.90/903,555.45 = 368,277.18/x
  3. Step 3: Cross multiply
    654,756.90x = 903,555.45 × 368,277.18
  4. Step 4: Simplify right side
    654,756.90x = 332,758,853,099.63
  5. Step 5: Solve for x
    x = 332,758,853,099.63/654,756.90
  6. Step 6: Final answer
    x = 508,217.41

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1.5x scale

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.