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Finding the Fourth Proportional to 1,935,234.81, 2,670,692.59 and 1,064,135.86

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Solution

The fourth proportional to 1,935,234.81, 2,670,692.59 and 1,064,135.86 is: 1,468,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,234.81 : 2,670,692.59 = 1,064,135.86 : x
  2. Step 2: Convert to fraction form
    1,935,234.81/2,670,692.59 = 1,064,135.86/x
  3. Step 3: Cross multiply
    1,935,234.81x = 2,670,692.59 × 1,064,135.86
  4. Step 4: Simplify right side
    1,935,234.81x = 2,841,979,756,055.28
  5. Step 5: Solve for x
    x = 2,841,979,756,055.28/1,935,234.81
  6. Step 6: Final answer
    x = 1,468,545.18

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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.