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Finding the Fourth Proportional to 524,347.01, 723,548.46 and 306,606.55

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Solution

The fourth proportional to 524,347.01, 723,548.46 and 306,606.55 is: 423,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,347.01 : 723,548.46 = 306,606.55 : x
  2. Step 2: Convert to fraction form
    524,347.01/723,548.46 = 306,606.55/x
  3. Step 3: Cross multiply
    524,347.01x = 723,548.46 × 306,606.55
  4. Step 4: Simplify right side
    524,347.01x = 221,844,697,078.41
  5. Step 5: Solve for x
    x = 221,844,697,078.41/524,347.01
  6. Step 6: Final answer
    x = 423,087.56

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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.