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Finding the Fourth Proportional to 504,124.30, 695,740.56 and 376,578.46

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Solution

The fourth proportional to 504,124.30, 695,740.56 and 376,578.46 is: 519,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,124.30 : 695,740.56 = 376,578.46 : x
  2. Step 2: Convert to fraction form
    504,124.30/695,740.56 = 376,578.46/x
  3. Step 3: Cross multiply
    504,124.30x = 695,740.56 × 376,578.46
  4. Step 4: Simplify right side
    504,124.30x = 262,000,908,644.34
  5. Step 5: Solve for x
    x = 262,000,908,644.34/504,124.30
  6. Step 6: Final answer
    x = 519,714.90

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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.