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Finding the Fourth Proportional to 515,501.10, 773,446.05 and 249,497.10

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Solution

The fourth proportional to 515,501.10, 773,446.05 and 249,497.10 is: 374,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,501.10 : 773,446.05 = 249,497.10 : x
  2. Step 2: Convert to fraction form
    515,501.10/773,446.05 = 249,497.10/x
  3. Step 3: Cross multiply
    515,501.10x = 773,446.05 × 249,497.10
  4. Step 4: Simplify right side
    515,501.10x = 192,972,546,481.46
  5. Step 5: Solve for x
    x = 192,972,546,481.46/515,501.10
  6. Step 6: Final answer
    x = 374,339.74

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Double scale
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1.5x scale

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.