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Finding the Fourth Proportional to 1,773,942.58, 2,662,904.04 and 709,726.51

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Solution

The fourth proportional to 1,773,942.58, 2,662,904.04 and 709,726.51 is: 1,065,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,942.58 : 2,662,904.04 = 709,726.51 : x
  2. Step 2: Convert to fraction form
    1,773,942.58/2,662,904.04 = 709,726.51/x
  3. Step 3: Cross multiply
    1,773,942.58x = 2,662,904.04 × 709,726.51
  4. Step 4: Simplify right side
    1,773,942.58x = 1,889,933,590,774.10
  5. Step 5: Solve for x
    x = 1,889,933,590,774.10/1,773,942.58
  6. Step 6: Final answer
    x = 1,065,386.00

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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.