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Finding the Fourth Proportional to 624,232.90, 936,673.35 and 291,808.90

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Solution

The fourth proportional to 624,232.90, 936,673.35 and 291,808.90 is: 437,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,232.90 : 936,673.35 = 291,808.90 : x
  2. Step 2: Convert to fraction form
    624,232.90/936,673.35 = 291,808.90/x
  3. Step 3: Cross multiply
    624,232.90x = 936,673.35 × 291,808.90
  4. Step 4: Simplify right side
    624,232.90x = 273,329,619,922.82
  5. Step 5: Solve for x
    x = 273,329,619,922.82/624,232.90
  6. Step 6: Final answer
    x = 437,864.81

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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.