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Finding the Fourth Proportional to 503,890.32, 695,368.50 and 277,535.82

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Solution

The fourth proportional to 503,890.32, 695,368.50 and 277,535.82 is: 382,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,890.32 : 695,368.50 = 277,535.82 : x
  2. Step 2: Convert to fraction form
    503,890.32/695,368.50 = 277,535.82/x
  3. Step 3: Cross multiply
    503,890.32x = 695,368.50 × 277,535.82
  4. Step 4: Simplify right side
    503,890.32x = 192,989,666,849.67
  5. Step 5: Solve for x
    x = 192,989,666,849.67/503,890.32
  6. Step 6: Final answer
    x = 382,999.35

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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.