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Finding the Fourth Proportional to 730,572, 1,008,118.62 and 458,552.94

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Solution

The fourth proportional to 730,572, 1,008,118.62 and 458,552.94 is: 632,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,572 : 1,008,118.62 = 458,552.94 : x
  2. Step 2: Convert to fraction form
    730,572/1,008,118.62 = 458,552.94/x
  3. Step 3: Cross multiply
    730,572x = 1,008,118.62 × 458,552.94
  4. Step 4: Simplify right side
    730,572x = 462,275,757,069.74
  5. Step 5: Solve for x
    x = 462,275,757,069.74/730,572
  6. Step 6: Final answer
    x = 632,758.66

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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.