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Finding the Fourth Proportional to 416,784.42, 575,130.44 and 235,516.30

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Solution

The fourth proportional to 416,784.42, 575,130.44 and 235,516.30 is: 324,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,784.42 : 575,130.44 = 235,516.30 : x
  2. Step 2: Convert to fraction form
    416,784.42/575,130.44 = 235,516.30/x
  3. Step 3: Cross multiply
    416,784.42x = 575,130.44 × 235,516.30
  4. Step 4: Simplify right side
    416,784.42x = 135,452,593,246.17
  5. Step 5: Solve for x
    x = 135,452,593,246.17/416,784.42
  6. Step 6: Final answer
    x = 324,994.38

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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.