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Finding the Fourth Proportional to 310,020.41, 427,824.45 and 174,050.98

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Solution

The fourth proportional to 310,020.41, 427,824.45 and 174,050.98 is: 240,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,020.41 : 427,824.45 = 174,050.98 : x
  2. Step 2: Convert to fraction form
    310,020.41/427,824.45 = 174,050.98/x
  3. Step 3: Cross multiply
    310,020.41x = 427,824.45 × 174,050.98
  4. Step 4: Simplify right side
    310,020.41x = 74,463,263,720.90
  5. Step 5: Solve for x
    x = 74,463,263,720.90/310,020.41
  6. Step 6: Final answer
    x = 240,188.26

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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.