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Finding the Fourth Proportional to 897,416.70, 1,346,125.05 and 808,843.20

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Solution

The fourth proportional to 897,416.70, 1,346,125.05 and 808,843.20 is: 1,213,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,416.70 : 1,346,125.05 = 808,843.20 : x
  2. Step 2: Convert to fraction form
    897,416.70/1,346,125.05 = 808,843.20/x
  3. Step 3: Cross multiply
    897,416.70x = 1,346,125.05 × 808,843.20
  4. Step 4: Simplify right side
    897,416.70x = 1,088,804,093,042.16
  5. Step 5: Solve for x
    x = 1,088,804,093,042.16/897,416.70
  6. Step 6: Final answer
    x = 1,213,264.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.