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Finding the Fourth Proportional to 748,773, 1,032,945.48 and 490,537.71

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Solution

The fourth proportional to 748,773, 1,032,945.48 and 490,537.71 is: 676,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,773 : 1,032,945.48 = 490,537.71 : x
  2. Step 2: Convert to fraction form
    748,773/1,032,945.48 = 490,537.71/x
  3. Step 3: Cross multiply
    748,773x = 1,032,945.48 × 490,537.71
  4. Step 4: Simplify right side
    748,773x = 506,698,710,314.05
  5. Step 5: Solve for x
    x = 506,698,710,314.05/748,773
  6. Step 6: Final answer
    x = 676,705.37

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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.