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Finding the Fourth Proportional to 1,301,913.90, 1,952,964.42 and 448,973.28

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Solution

The fourth proportional to 1,301,913.90, 1,952,964.42 and 448,973.28 is: 673,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,913.90 : 1,952,964.42 = 448,973.28 : x
  2. Step 2: Convert to fraction form
    1,301,913.90/1,952,964.42 = 448,973.28/x
  3. Step 3: Cross multiply
    1,301,913.90x = 1,952,964.42 × 448,973.28
  4. Step 4: Simplify right side
    1,301,913.90x = 876,828,841,370.70
  5. Step 5: Solve for x
    x = 876,828,841,370.70/1,301,913.90
  6. Step 6: Final answer
    x = 673,492.19

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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.