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Finding the Fourth Proportional to 654,854.41, 903,549.49 and 368,269.93

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Solution

The fourth proportional to 654,854.41, 903,549.49 and 368,269.93 is: 508,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,854.41 : 903,549.49 = 368,269.93 : x
  2. Step 2: Convert to fraction form
    654,854.41/903,549.49 = 368,269.93/x
  3. Step 3: Cross multiply
    654,854.41x = 903,549.49 × 368,269.93
  4. Step 4: Simplify right side
    654,854.41x = 332,750,107,433.84
  5. Step 5: Solve for x
    x = 332,750,107,433.84/654,854.41
  6. Step 6: Final answer
    x = 508,128.38

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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.