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Finding the Fourth Proportional to 1,773,948.90, 2,662,235.55 and 1,174,710.90

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Solution

The fourth proportional to 1,773,948.90, 2,662,235.55 and 1,174,710.90 is: 1,762,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,948.90 : 2,662,235.55 = 1,174,710.90 : x
  2. Step 2: Convert to fraction form
    1,773,948.90/2,662,235.55 = 1,174,710.90/x
  3. Step 3: Cross multiply
    1,773,948.90x = 2,662,235.55 × 1,174,710.90
  4. Step 4: Simplify right side
    1,773,948.90x = 3,127,357,118,952.49
  5. Step 5: Solve for x
    x = 3,127,357,118,952.49/1,773,948.90
  6. Step 6: Final answer
    x = 1,762,935.29

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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.