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Finding the Fourth Proportional to 1,979,602.04, 2,969,366.60 and 631,753.94

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Solution

The fourth proportional to 1,979,602.04, 2,969,366.60 and 631,753.94 is: 947,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,602.04 : 2,969,366.60 = 631,753.94 : x
  2. Step 2: Convert to fraction form
    1,979,602.04/2,969,366.60 = 631,753.94/x
  3. Step 3: Cross multiply
    1,979,602.04x = 2,969,366.60 × 631,753.94
  4. Step 4: Simplify right side
    1,979,602.04x = 1,875,909,048,854.40
  5. Step 5: Solve for x
    x = 1,875,909,048,854.40/1,979,602.04
  6. Step 6: Final answer
    x = 947,619.27

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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.