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Finding the Fourth Proportional to 1,168,471.86, 1,612,482.03 and 631,927.86

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Solution

The fourth proportional to 1,168,471.86, 1,612,482.03 and 631,927.86 is: 872,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,471.86 : 1,612,482.03 = 631,927.86 : x
  2. Step 2: Convert to fraction form
    1,168,471.86/1,612,482.03 = 631,927.86/x
  3. Step 3: Cross multiply
    1,168,471.86x = 1,612,482.03 × 631,927.86
  4. Step 4: Simplify right side
    1,168,471.86x = 1,018,972,318,506.36
  5. Step 5: Solve for x
    x = 1,018,972,318,506.36/1,168,471.86
  6. Step 6: Final answer
    x = 872,055.51

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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.