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Finding the Fourth Proportional to 562,322.52, 776,003.82 and 307,673.16

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Solution

The fourth proportional to 562,322.52, 776,003.82 and 307,673.16 is: 424,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,322.52 : 776,003.82 = 307,673.16 : x
  2. Step 2: Convert to fraction form
    562,322.52/776,003.82 = 307,673.16/x
  3. Step 3: Cross multiply
    562,322.52x = 776,003.82 × 307,673.16
  4. Step 4: Simplify right side
    562,322.52x = 238,755,547,471.47
  5. Step 5: Solve for x
    x = 238,755,547,471.47/562,322.52
  6. Step 6: Final answer
    x = 424,588.27

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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.