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Finding the Fourth Proportional to 627,510.88, 865,971.69 and 341,030.95

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Solution

The fourth proportional to 627,510.88, 865,971.69 and 341,030.95 is: 470,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,510.88 : 865,971.69 = 341,030.95 : x
  2. Step 2: Convert to fraction form
    627,510.88/865,971.69 = 341,030.95/x
  3. Step 3: Cross multiply
    627,510.88x = 865,971.69 × 341,030.95
  4. Step 4: Simplify right side
    627,510.88x = 295,323,148,113.81
  5. Step 5: Solve for x
    x = 295,323,148,113.81/627,510.88
  6. Step 6: Final answer
    x = 470,626.34

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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.