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Finding the Fourth Proportional to 1,334,566.53, 1,841,834.30 and 761,693.22

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Solution

The fourth proportional to 1,334,566.53, 1,841,834.30 and 761,693.22 is: 1,051,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,566.53 : 1,841,834.30 = 761,693.22 : x
  2. Step 2: Convert to fraction form
    1,334,566.53/1,841,834.30 = 761,693.22/x
  3. Step 3: Cross multiply
    1,334,566.53x = 1,841,834.30 × 761,693.22
  4. Step 4: Simplify right side
    1,334,566.53x = 1,402,912,694,864.98
  5. Step 5: Solve for x
    x = 1,402,912,694,864.98/1,334,566.53
  6. Step 6: Final answer
    x = 1,051,212.26

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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.