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Finding the Fourth Proportional to 562,394.07, 776,103.81 and 307,745.25

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Solution

The fourth proportional to 562,394.07, 776,103.81 and 307,745.25 is: 424,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,394.07 : 776,103.81 = 307,745.25 : x
  2. Step 2: Convert to fraction form
    562,394.07/776,103.81 = 307,745.25/x
  3. Step 3: Cross multiply
    562,394.07x = 776,103.81 × 307,745.25
  4. Step 4: Simplify right side
    562,394.07x = 238,842,261,034.40
  5. Step 5: Solve for x
    x = 238,842,261,034.40/562,394.07
  6. Step 6: Final answer
    x = 424,688.44

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1.5x scale

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.