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Finding the Fourth Proportional to 524,535.34, 783,816.94 and 393,852.20

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Solution

The fourth proportional to 524,535.34, 783,816.94 and 393,852.20 is: 588,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,535.34 : 783,816.94 = 393,852.20 : x
  2. Step 2: Convert to fraction form
    524,535.34/783,816.94 = 393,852.20/x
  3. Step 3: Cross multiply
    524,535.34x = 783,816.94 × 393,852.20
  4. Step 4: Simplify right side
    524,535.34x = 308,708,026,216.27
  5. Step 5: Solve for x
    x = 308,708,026,216.27/524,535.34
  6. Step 6: Final answer
    x = 588,536.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.