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Finding the Fourth Proportional to 704,878.66, 972,733.67 and 382,588.91

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Solution

The fourth proportional to 704,878.66, 972,733.67 and 382,588.91 is: 527,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,878.66 : 972,733.67 = 382,588.91 : x
  2. Step 2: Convert to fraction form
    704,878.66/972,733.67 = 382,588.91/x
  3. Step 3: Cross multiply
    704,878.66x = 972,733.67 × 382,588.91
  4. Step 4: Simplify right side
    704,878.66x = 372,157,114,525.60
  5. Step 5: Solve for x
    x = 372,157,114,525.60/704,878.66
  6. Step 6: Final answer
    x = 527,973.30

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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.