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Finding the Fourth Proportional to 417,019.48, 575,480.64 and 235,725.05

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Solution

The fourth proportional to 417,019.48, 575,480.64 and 235,725.05 is: 325,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,019.48 : 575,480.64 = 235,725.05 : x
  2. Step 2: Convert to fraction form
    417,019.48/575,480.64 = 235,725.05/x
  3. Step 3: Cross multiply
    417,019.48x = 575,480.64 × 235,725.05
  4. Step 4: Simplify right side
    417,019.48x = 135,655,202,638.03
  5. Step 5: Solve for x
    x = 135,655,202,638.03/417,019.48
  6. Step 6: Final answer
    x = 325,297.04

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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.