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Finding the Fourth Proportional to 575,108.24, 793,638.72 and 313,465.77

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Solution

The fourth proportional to 575,108.24, 793,638.72 and 313,465.77 is: 432,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,108.24 : 793,638.72 = 313,465.77 : x
  2. Step 2: Convert to fraction form
    575,108.24/793,638.72 = 313,465.77/x
  3. Step 3: Cross multiply
    575,108.24x = 793,638.72 × 313,465.77
  4. Step 4: Simplify right side
    575,108.24x = 248,778,572,466.61
  5. Step 5: Solve for x
    x = 248,778,572,466.61/575,108.24
  6. Step 6: Final answer
    x = 432,576.96

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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.