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Finding the Fourth Proportional to 613,316.54, 846,386.40 and 341,387.39

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Solution

The fourth proportional to 613,316.54, 846,386.40 and 341,387.39 is: 471,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,316.54 : 846,386.40 = 341,387.39 : x
  2. Step 2: Convert to fraction form
    613,316.54/846,386.40 = 341,387.39/x
  3. Step 3: Cross multiply
    613,316.54x = 846,386.40 × 341,387.39
  4. Step 4: Simplify right side
    613,316.54x = 288,945,638,088.63
  5. Step 5: Solve for x
    x = 288,945,638,088.63/613,316.54
  6. Step 6: Final answer
    x = 471,119.92

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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.