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Finding the Fourth Proportional to 460,465.52, 690,801.81 and 140,590.62

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Solution

The fourth proportional to 460,465.52, 690,801.81 and 140,590.62 is: 210,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,465.52 : 690,801.81 = 140,590.62 : x
  2. Step 2: Convert to fraction form
    460,465.52/690,801.81 = 140,590.62/x
  3. Step 3: Cross multiply
    460,465.52x = 690,801.81 × 140,590.62
  4. Step 4: Simplify right side
    460,465.52x = 97,120,254,765.02
  5. Step 5: Solve for x
    x = 97,120,254,765.02/460,465.52
  6. Step 6: Final answer
    x = 210,917.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.