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Finding the Fourth Proportional to 577,062.77, 865,339.73 and 307,125.77

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Solution

The fourth proportional to 577,062.77, 865,339.73 and 307,125.77 is: 460,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,062.77 : 865,339.73 = 307,125.77 : x
  2. Step 2: Convert to fraction form
    577,062.77/865,339.73 = 307,125.77/x
  3. Step 3: Cross multiply
    577,062.77x = 865,339.73 × 307,125.77
  4. Step 4: Simplify right side
    577,062.77x = 265,768,125,025.52
  5. Step 5: Solve for x
    x = 265,768,125,025.52/577,062.77
  6. Step 6: Final answer
    x = 460,553.24

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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.