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Finding the Fourth Proportional to 310,110.48, 427,919.10 and 174,159.24

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Solution

The fourth proportional to 310,110.48, 427,919.10 and 174,159.24 is: 240,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,110.48 : 427,919.10 = 174,159.24 : x
  2. Step 2: Convert to fraction form
    310,110.48/427,919.10 = 174,159.24/x
  3. Step 3: Cross multiply
    310,110.48x = 427,919.10 × 174,159.24
  4. Step 4: Simplify right side
    310,110.48x = 74,526,065,237.48
  5. Step 5: Solve for x
    x = 74,526,065,237.48/310,110.48
  6. Step 6: Final answer
    x = 240,321.01

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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.