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Finding the Fourth Proportional to 1,966,051.04, 2,712,602.16 and 1,268,036.50

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Solution

The fourth proportional to 1,966,051.04, 2,712,602.16 and 1,268,036.50 is: 1,749,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,051.04 : 2,712,602.16 = 1,268,036.50 : x
  2. Step 2: Convert to fraction form
    1,966,051.04/2,712,602.16 = 1,268,036.50/x
  3. Step 3: Cross multiply
    1,966,051.04x = 2,712,602.16 × 1,268,036.50
  4. Step 4: Simplify right side
    1,966,051.04x = 3,439,678,542,077.34
  5. Step 5: Solve for x
    x = 3,439,678,542,077.34/1,966,051.04
  6. Step 6: Final answer
    x = 1,749,536.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.