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Finding the Fourth Proportional to 713,562.50, 1,070,501.15 and 208,163

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Solution

The fourth proportional to 713,562.50, 1,070,501.15 and 208,163 is: 312,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,562.50 : 1,070,501.15 = 208,163 : x
  2. Step 2: Convert to fraction form
    713,562.50/1,070,501.15 = 208,163/x
  3. Step 3: Cross multiply
    713,562.50x = 1,070,501.15 × 208,163
  4. Step 4: Simplify right side
    713,562.50x = 222,838,730,887.45
  5. Step 5: Solve for x
    x = 222,838,730,887.45/713,562.50
  6. Step 6: Final answer
    x = 312,290.42

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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.