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Finding the Fourth Proportional to 578,303.15, 797,963.13 and 363,290.94

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Solution

The fourth proportional to 578,303.15, 797,963.13 and 363,290.94 is: 501,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,303.15 : 797,963.13 = 363,290.94 : x
  2. Step 2: Convert to fraction form
    578,303.15/797,963.13 = 363,290.94/x
  3. Step 3: Cross multiply
    578,303.15x = 797,963.13 × 363,290.94
  4. Step 4: Simplify right side
    578,303.15x = 289,892,775,583.04
  5. Step 5: Solve for x
    x = 289,892,775,583.04/578,303.15
  6. Step 6: Final answer
    x = 501,281.69

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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.