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Finding the Fourth Proportional to 604,295.40, 905,458.95 and 444,863.10

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Solution

The fourth proportional to 604,295.40, 905,458.95 and 444,863.10 is: 666,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,295.40 : 905,458.95 = 444,863.10 : x
  2. Step 2: Convert to fraction form
    604,295.40/905,458.95 = 444,863.10/x
  3. Step 3: Cross multiply
    604,295.40x = 905,458.95 × 444,863.10
  4. Step 4: Simplify right side
    604,295.40x = 402,805,275,419.75
  5. Step 5: Solve for x
    x = 402,805,275,419.75/604,295.40
  6. Step 6: Final answer
    x = 666,570.15

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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.