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Finding the Fourth Proportional to 1,773,955.08, 2,662,922.79 and 709,739.01

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Solution

The fourth proportional to 1,773,955.08, 2,662,922.79 and 709,739.01 is: 1,065,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,955.08 : 2,662,922.79 = 709,739.01 : x
  2. Step 2: Convert to fraction form
    1,773,955.08/2,662,922.79 = 709,739.01/x
  3. Step 3: Cross multiply
    1,773,955.08x = 2,662,922.79 × 709,739.01
  4. Step 4: Simplify right side
    1,773,955.08x = 1,889,980,184,681.04
  5. Step 5: Solve for x
    x = 1,889,980,184,681.04/1,773,955.08
  6. Step 6: Final answer
    x = 1,065,404.76

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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.