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Finding the Fourth Proportional to 503,929.89, 695,423.27 and 277,575.39

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Solution

The fourth proportional to 503,929.89, 695,423.27 and 277,575.39 is: 383,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,929.89 : 695,423.27 = 277,575.39 : x
  2. Step 2: Convert to fraction form
    503,929.89/695,423.27 = 277,575.39/x
  3. Step 3: Cross multiply
    503,929.89x = 695,423.27 × 277,575.39
  4. Step 4: Simplify right side
    503,929.89x = 193,032,386,079.26
  5. Step 5: Solve for x
    x = 193,032,386,079.26/503,929.89
  6. Step 6: Final answer
    x = 383,054.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.