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Finding the Fourth Proportional to 756,754.60, 1,044,328.44 and 417,235

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Solution

The fourth proportional to 756,754.60, 1,044,328.44 and 417,235 is: 575,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,754.60 : 1,044,328.44 = 417,235 : x
  2. Step 2: Convert to fraction form
    756,754.60/1,044,328.44 = 417,235/x
  3. Step 3: Cross multiply
    756,754.60x = 1,044,328.44 × 417,235
  4. Step 4: Simplify right side
    756,754.60x = 435,730,376,663.40
  5. Step 5: Solve for x
    x = 435,730,376,663.40/756,754.60
  6. Step 6: Final answer
    x = 575,788.21

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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.