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Finding the Fourth Proportional to 413,639.50, 570,884.66 and 252,587.45

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Solution

The fourth proportional to 413,639.50, 570,884.66 and 252,587.45 is: 348,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,639.50 : 570,884.66 = 252,587.45 : x
  2. Step 2: Convert to fraction form
    413,639.50/570,884.66 = 252,587.45/x
  3. Step 3: Cross multiply
    413,639.50x = 570,884.66 × 252,587.45
  4. Step 4: Simplify right side
    413,639.50x = 144,198,300,677.79
  5. Step 5: Solve for x
    x = 144,198,300,677.79/413,639.50
  6. Step 6: Final answer
    x = 348,608.64

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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.