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Finding the Fourth Proportional to 578,194.55, 865,405.52 and 522,950.93

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Solution

The fourth proportional to 578,194.55, 865,405.52 and 522,950.93 is: 782,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,194.55 : 865,405.52 = 522,950.93 : x
  2. Step 2: Convert to fraction form
    578,194.55/865,405.52 = 522,950.93/x
  3. Step 3: Cross multiply
    578,194.55x = 865,405.52 × 522,950.93
  4. Step 4: Simplify right side
    578,194.55x = 452,564,624,643.59
  5. Step 5: Solve for x
    x = 452,564,624,643.59/578,194.55
  6. Step 6: Final answer
    x = 782,720.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.