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Finding the Fourth Proportional to 524,360.21, 723,508.43 and 306,526.59

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Solution

The fourth proportional to 524,360.21, 723,508.43 and 306,526.59 is: 422,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,360.21 : 723,508.43 = 306,526.59 : x
  2. Step 2: Convert to fraction form
    524,360.21/723,508.43 = 306,526.59/x
  3. Step 3: Cross multiply
    524,360.21x = 723,508.43 × 306,526.59
  4. Step 4: Simplify right side
    524,360.21x = 221,774,568,266.61
  5. Step 5: Solve for x
    x = 221,774,568,266.61/524,360.21
  6. Step 6: Final answer
    x = 422,943.17

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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.