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Finding the Fourth Proportional to 578,110.61, 797,262.55 and 496,411.07

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Solution

The fourth proportional to 578,110.61, 797,262.55 and 496,411.07 is: 684,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,110.61 : 797,262.55 = 496,411.07 : x
  2. Step 2: Convert to fraction form
    578,110.61/797,262.55 = 496,411.07/x
  3. Step 3: Cross multiply
    578,110.61x = 797,262.55 × 496,411.07
  4. Step 4: Simplify right side
    578,110.61x = 395,769,953,278.82
  5. Step 5: Solve for x
    x = 395,769,953,278.82/578,110.61
  6. Step 6: Final answer
    x = 684,592.10

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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.