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Finding the Fourth Proportional to 519,627.09, 716,688.23 and 358,751.37

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Solution

The fourth proportional to 519,627.09, 716,688.23 and 358,751.37 is: 494,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,627.09 : 716,688.23 = 358,751.37 : x
  2. Step 2: Convert to fraction form
    519,627.09/716,688.23 = 358,751.37/x
  3. Step 3: Cross multiply
    519,627.09x = 716,688.23 × 358,751.37
  4. Step 4: Simplify right side
    519,627.09x = 257,112,882,581.62
  5. Step 5: Solve for x
    x = 257,112,882,581.62/519,627.09
  6. Step 6: Final answer
    x = 494,802.69

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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.