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Finding the Fourth Proportional to 654,562.76, 903,290.91 and 368,076.74

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Solution

The fourth proportional to 654,562.76, 903,290.91 and 368,076.74 is: 507,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,562.76 : 903,290.91 = 368,076.74 : x
  2. Step 2: Convert to fraction form
    654,562.76/903,290.91 = 368,076.74/x
  3. Step 3: Cross multiply
    654,562.76x = 903,290.91 × 368,076.74
  4. Step 4: Simplify right side
    654,562.76x = 332,480,373,424.43
  5. Step 5: Solve for x
    x = 332,480,373,424.43/654,562.76
  6. Step 6: Final answer
    x = 507,942.70

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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.