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Finding the Fourth Proportional to 358,583.59, 537,703.83 and 208,866.55

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Solution

The fourth proportional to 358,583.59, 537,703.83 and 208,866.55 is: 313,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,583.59 : 537,703.83 = 208,866.55 : x
  2. Step 2: Convert to fraction form
    358,583.59/537,703.83 = 208,866.55/x
  3. Step 3: Cross multiply
    358,583.59x = 537,703.83 × 208,866.55
  4. Step 4: Simplify right side
    358,583.59x = 112,308,343,893.89
  5. Step 5: Solve for x
    x = 112,308,343,893.89/358,583.59
  6. Step 6: Final answer
    x = 313,199.90

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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.