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Finding the Fourth Proportional to 2,058,288.40, 2,885,802.80 and 2,058,288.40

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Solution

The fourth proportional to 2,058,288.40, 2,885,802.80 and 2,058,288.40 is: 2,885,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,288.40 : 2,885,802.80 = 2,058,288.40 : x
  2. Step 2: Convert to fraction form
    2,058,288.40/2,885,802.80 = 2,058,288.40/x
  3. Step 3: Cross multiply
    2,058,288.40x = 2,885,802.80 × 2,058,288.40
  4. Step 4: Simplify right side
    2,058,288.40x = 5,939,814,427,927.52
  5. Step 5: Solve for x
    x = 5,939,814,427,927.52/2,058,288.40
  6. Step 6: Final answer
    x = 2,885,802.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.