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Finding the Fourth Proportional to 457,677.49, 631,632.23 and 253,792.34

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Solution

The fourth proportional to 457,677.49, 631,632.23 and 253,792.34 is: 350,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,677.49 : 631,632.23 = 253,792.34 : x
  2. Step 2: Convert to fraction form
    457,677.49/631,632.23 = 253,792.34/x
  3. Step 3: Cross multiply
    457,677.49x = 631,632.23 × 253,792.34
  4. Step 4: Simplify right side
    457,677.49x = 160,303,420,564.34
  5. Step 5: Solve for x
    x = 160,303,420,564.34/457,677.49
  6. Step 6: Final answer
    x = 350,254.11

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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.