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Finding the Fourth Proportional to 486,490.32, 729,549.36 and 233,700.48

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Solution

The fourth proportional to 486,490.32, 729,549.36 and 233,700.48 is: 350,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,490.32 : 729,549.36 = 233,700.48 : x
  2. Step 2: Convert to fraction form
    486,490.32/729,549.36 = 233,700.48/x
  3. Step 3: Cross multiply
    486,490.32x = 729,549.36 × 233,700.48
  4. Step 4: Simplify right side
    486,490.32x = 170,496,035,615.69
  5. Step 5: Solve for x
    x = 170,496,035,615.69/486,490.32
  6. Step 6: Final answer
    x = 350,461.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.