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Finding the Fourth Proportional to 603,437, 905,946.54 and 404,646.92

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Solution

The fourth proportional to 603,437, 905,946.54 and 404,646.92 is: 607,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,437 : 905,946.54 = 404,646.92 : x
  2. Step 2: Convert to fraction form
    603,437/905,946.54 = 404,646.92/x
  3. Step 3: Cross multiply
    603,437x = 905,946.54 × 404,646.92
  4. Step 4: Simplify right side
    603,437x = 366,588,477,095.66
  5. Step 5: Solve for x
    x = 366,588,477,095.66/603,437
  6. Step 6: Final answer
    x = 607,500.83

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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.