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Finding the Fourth Proportional to 1,769,531.40, 2,654,953.20 and 705,337.20

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Solution

The fourth proportional to 1,769,531.40, 2,654,953.20 and 705,337.20 is: 1,058,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,531.40 : 2,654,953.20 = 705,337.20 : x
  2. Step 2: Convert to fraction form
    1,769,531.40/2,654,953.20 = 705,337.20/x
  3. Step 3: Cross multiply
    1,769,531.40x = 2,654,953.20 × 705,337.20
  4. Step 4: Simplify right side
    1,769,531.40x = 1,872,637,256,219.04
  5. Step 5: Solve for x
    x = 1,872,637,256,219.04/1,769,531.40
  6. Step 6: Final answer
    x = 1,058,267.32

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