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Finding the Fourth Proportional to 604,015.40, 905,038.95 and 444,583.10

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Solution

The fourth proportional to 604,015.40, 905,038.95 and 444,583.10 is: 666,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,015.40 : 905,038.95 = 444,583.10 : x
  2. Step 2: Convert to fraction form
    604,015.40/905,038.95 = 444,583.10/x
  3. Step 3: Cross multiply
    604,015.40x = 905,038.95 × 444,583.10
  4. Step 4: Simplify right side
    604,015.40x = 402,365,022,011.75
  5. Step 5: Solve for x
    x = 402,365,022,011.75/604,015.40
  6. Step 6: Final answer
    x = 666,150.27

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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.