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Finding the Fourth Proportional to 524,254.62, 723,447.54 and 320,646.54

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Solution

The fourth proportional to 524,254.62, 723,447.54 and 320,646.54 is: 442,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,254.62 : 723,447.54 = 320,646.54 : x
  2. Step 2: Convert to fraction form
    524,254.62/723,447.54 = 320,646.54/x
  3. Step 3: Cross multiply
    524,254.62x = 723,447.54 × 320,646.54
  4. Step 4: Simplify right side
    524,254.62x = 231,970,950,572.51
  5. Step 5: Solve for x
    x = 231,970,950,572.51/524,254.62
  6. Step 6: Final answer
    x = 442,477.65

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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.