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Finding the Fourth Proportional to 776,294.56, 1,071,275.52 and 436,762

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Solution

The fourth proportional to 776,294.56, 1,071,275.52 and 436,762 is: 602,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,294.56 : 1,071,275.52 = 436,762 : x
  2. Step 2: Convert to fraction form
    776,294.56/1,071,275.52 = 436,762/x
  3. Step 3: Cross multiply
    776,294.56x = 1,071,275.52 × 436,762
  4. Step 4: Simplify right side
    776,294.56x = 467,892,438,666.24
  5. Step 5: Solve for x
    x = 467,892,438,666.24/776,294.56
  6. Step 6: Final answer
    x = 602,725.39

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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.