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Finding the Fourth Proportional to 3,803,765.06, 5,705,979.71 and 963,877.32

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Solution

The fourth proportional to 3,803,765.06, 5,705,979.71 and 963,877.32 is: 1,445,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803,765.06 : 5,705,979.71 = 963,877.32 : x
  2. Step 2: Convert to fraction form
    3,803,765.06/5,705,979.71 = 963,877.32/x
  3. Step 3: Cross multiply
    3,803,765.06x = 5,705,979.71 × 963,877.32
  4. Step 4: Simplify right side
    3,803,765.06x = 5,499,864,426,029.79
  5. Step 5: Solve for x
    x = 5,499,864,426,029.79/3,803,765.06
  6. Step 6: Final answer
    x = 1,445,900.14

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Why These Related Problems?

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