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Finding the Fourth Proportional to 507,031.16, 699,703.21 and 277,603.32

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Solution

The fourth proportional to 507,031.16, 699,703.21 and 277,603.32 is: 383,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,031.16 : 699,703.21 = 277,603.32 : x
  2. Step 2: Convert to fraction form
    507,031.16/699,703.21 = 277,603.32/x
  3. Step 3: Cross multiply
    507,031.16x = 699,703.21 × 277,603.32
  4. Step 4: Simplify right side
    507,031.16x = 194,239,934,110.66
  5. Step 5: Solve for x
    x = 194,239,934,110.66/507,031.16
  6. Step 6: Final answer
    x = 383,092.70

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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.