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Finding the Fourth Proportional to 1,619,133.03, 2,234,345.72 and 893,965.95

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Solution

The fourth proportional to 1,619,133.03, 2,234,345.72 and 893,965.95 is: 1,233,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,133.03 : 2,234,345.72 = 893,965.95 : x
  2. Step 2: Convert to fraction form
    1,619,133.03/2,234,345.72 = 893,965.95/x
  3. Step 3: Cross multiply
    1,619,133.03x = 2,234,345.72 × 893,965.95
  4. Step 4: Simplify right side
    1,619,133.03x = 1,997,428,989,738.40
  5. Step 5: Solve for x
    x = 1,997,428,989,738.40/1,619,133.03
  6. Step 6: Final answer
    x = 1,233,641.06

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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.