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Finding the Fourth Proportional to 604,849.60, 907,274.40 and 394,724.80

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Solution

The fourth proportional to 604,849.60, 907,274.40 and 394,724.80 is: 592,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,849.60 : 907,274.40 = 394,724.80 : x
  2. Step 2: Convert to fraction form
    604,849.60/907,274.40 = 394,724.80/x
  3. Step 3: Cross multiply
    604,849.60x = 907,274.40 × 394,724.80
  4. Step 4: Simplify right side
    604,849.60x = 358,123,706,085.12
  5. Step 5: Solve for x
    x = 358,123,706,085.12/604,849.60
  6. Step 6: Final answer
    x = 592,087.20

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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.