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Finding the Fourth Proportional to 942,258, 1,300,110.60 and 534,267.72

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Solution

The fourth proportional to 942,258, 1,300,110.60 and 534,267.72 is: 737,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,258 : 1,300,110.60 = 534,267.72 : x
  2. Step 2: Convert to fraction form
    942,258/1,300,110.60 = 534,267.72/x
  3. Step 3: Cross multiply
    942,258x = 1,300,110.60 × 534,267.72
  4. Step 4: Simplify right side
    942,258x = 694,607,126,009.83
  5. Step 5: Solve for x
    x = 694,607,126,009.83/942,258
  6. Step 6: Final answer
    x = 737,172.97

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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.