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Finding the Fourth Proportional to 604,836.60, 907,254.90 and 394,711.80

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Solution

The fourth proportional to 604,836.60, 907,254.90 and 394,711.80 is: 592,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,836.60 : 907,254.90 = 394,711.80 : x
  2. Step 2: Convert to fraction form
    604,836.60/907,254.90 = 394,711.80/x
  3. Step 3: Cross multiply
    604,836.60x = 907,254.90 × 394,711.80
  4. Step 4: Simplify right side
    604,836.60x = 358,104,214,637.82
  5. Step 5: Solve for x
    x = 358,104,214,637.82/604,836.60
  6. Step 6: Final answer
    x = 592,067.70

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Similar ratio
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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.