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Finding the Fourth Proportional to 575,051.52, 793,576.61 and 316,937.87

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Solution

The fourth proportional to 575,051.52, 793,576.61 and 316,937.87 is: 437,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,051.52 : 793,576.61 = 316,937.87 : x
  2. Step 2: Convert to fraction form
    575,051.52/793,576.61 = 316,937.87/x
  3. Step 3: Cross multiply
    575,051.52x = 793,576.61 × 316,937.87
  4. Step 4: Simplify right side
    575,051.52x = 251,514,480,455.22
  5. Step 5: Solve for x
    x = 251,514,480,455.22/575,051.52
  6. Step 6: Final answer
    x = 437,377.30

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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.