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Finding the Fourth Proportional to 457,550.59, 631,457.60 and 253,665.46

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Solution

The fourth proportional to 457,550.59, 631,457.60 and 253,665.46 is: 350,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,550.59 : 631,457.60 = 253,665.46 : x
  2. Step 2: Convert to fraction form
    457,550.59/631,457.60 = 253,665.46/x
  3. Step 3: Cross multiply
    457,550.59x = 631,457.60 × 253,665.46
  4. Step 4: Simplify right side
    457,550.59x = 160,178,982,574.50
  5. Step 5: Solve for x
    x = 160,178,982,574.50/457,550.59
  6. Step 6: Final answer
    x = 350,079.28

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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.