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Finding the Fourth Proportional to 583,803.16, 805,651.86 and 369,039.76

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Solution

The fourth proportional to 583,803.16, 805,651.86 and 369,039.76 is: 509,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,803.16 : 805,651.86 = 369,039.76 : x
  2. Step 2: Convert to fraction form
    583,803.16/805,651.86 = 369,039.76/x
  3. Step 3: Cross multiply
    583,803.16x = 805,651.86 × 369,039.76
  4. Step 4: Simplify right side
    583,803.16x = 297,317,569,057.95
  5. Step 5: Solve for x
    x = 297,317,569,057.95/583,803.16
  6. Step 6: Final answer
    x = 509,277.08

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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.