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Finding the Fourth Proportional to 562,393.92, 776,103.48 and 307,745.04

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Solution

The fourth proportional to 562,393.92, 776,103.48 and 307,745.04 is: 424,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,393.92 : 776,103.48 = 307,745.04 : x
  2. Step 2: Convert to fraction form
    562,393.92/776,103.48 = 307,745.04/x
  3. Step 3: Cross multiply
    562,393.92x = 776,103.48 × 307,745.04
  4. Step 4: Simplify right side
    562,393.92x = 238,841,996,496.74
  5. Step 5: Solve for x
    x = 238,841,996,496.74/562,393.92
  6. Step 6: Final answer
    x = 424,688.08

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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.