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Finding the Fourth Proportional to 654,527.97, 903,253.98 and 368,045.55

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Solution

The fourth proportional to 654,527.97, 903,253.98 and 368,045.55 is: 507,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,527.97 : 903,253.98 = 368,045.55 : x
  2. Step 2: Convert to fraction form
    654,527.97/903,253.98 = 368,045.55/x
  3. Step 3: Cross multiply
    654,527.97x = 903,253.98 × 368,045.55
  4. Step 4: Simplify right side
    654,527.97x = 332,438,607,858.79
  5. Step 5: Solve for x
    x = 332,438,607,858.79/654,527.97
  6. Step 6: Final answer
    x = 507,905.88

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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.