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Finding the Fourth Proportional to 1,849,798.76, 2,773,016.51 and 711,835.29

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Solution

The fourth proportional to 1,849,798.76, 2,773,016.51 and 711,835.29 is: 1,067,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,798.76 : 2,773,016.51 = 711,835.29 : x
  2. Step 2: Convert to fraction form
    1,849,798.76/2,773,016.51 = 711,835.29/x
  3. Step 3: Cross multiply
    1,849,798.76x = 2,773,016.51 × 711,835.29
  4. Step 4: Simplify right side
    1,849,798.76x = 1,973,931,008,011.46
  5. Step 5: Solve for x
    x = 1,973,931,008,011.46/1,849,798.76
  6. Step 6: Final answer
    x = 1,067,105.81

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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.