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Finding the Fourth Proportional to 524,248.86, 723,707.01 and 395,239.56

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Solution

The fourth proportional to 524,248.86, 723,707.01 and 395,239.56 is: 545,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,248.86 : 723,707.01 = 395,239.56 : x
  2. Step 2: Convert to fraction form
    524,248.86/723,707.01 = 395,239.56/x
  3. Step 3: Cross multiply
    524,248.86x = 723,707.01 × 395,239.56
  4. Step 4: Simplify right side
    524,248.86x = 286,037,640,201.32
  5. Step 5: Solve for x
    x = 286,037,640,201.32/524,248.86
  6. Step 6: Final answer
    x = 545,614.23

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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.