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Finding the Fourth Proportional to 562,221.51, 775,673.16 and 458,675.28

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Solution

The fourth proportional to 562,221.51, 775,673.16 and 458,675.28 is: 632,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,221.51 : 775,673.16 = 458,675.28 : x
  2. Step 2: Convert to fraction form
    562,221.51/775,673.16 = 458,675.28/x
  3. Step 3: Cross multiply
    562,221.51x = 775,673.16 × 458,675.28
  4. Step 4: Simplify right side
    562,221.51x = 355,782,103,851.49
  5. Step 5: Solve for x
    x = 355,782,103,851.49/562,221.51
  6. Step 6: Final answer
    x = 632,814.82

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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.