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Finding the Fourth Proportional to 562,529.80, 776,295.66 and 307,883.08

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Solution

The fourth proportional to 562,529.80, 776,295.66 and 307,883.08 is: 424,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,529.80 : 776,295.66 = 307,883.08 : x
  2. Step 2: Convert to fraction form
    562,529.80/776,295.66 = 307,883.08/x
  3. Step 3: Cross multiply
    562,529.80x = 776,295.66 × 307,883.08
  4. Step 4: Simplify right side
    562,529.80x = 239,008,298,791.43
  5. Step 5: Solve for x
    x = 239,008,298,791.43/562,529.80
  6. Step 6: Final answer
    x = 424,881.13

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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.