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Finding the Fourth Proportional to 560,293.83, 773,455.95 and 379,554.66

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Solution

The fourth proportional to 560,293.83, 773,455.95 and 379,554.66 is: 523,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,293.83 : 773,455.95 = 379,554.66 : x
  2. Step 2: Convert to fraction form
    560,293.83/773,455.95 = 379,554.66/x
  3. Step 3: Cross multiply
    560,293.83x = 773,455.95 × 379,554.66
  4. Step 4: Simplify right side
    560,293.83x = 293,568,810,127.23
  5. Step 5: Solve for x
    x = 293,568,810,127.23/560,293.83
  6. Step 6: Final answer
    x = 523,955.10

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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.