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Finding the Fourth Proportional to 575,185.77, 793,815.71 and 345,818.07

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Solution

The fourth proportional to 575,185.77, 793,815.71 and 345,818.07 is: 477,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,185.77 : 793,815.71 = 345,818.07 : x
  2. Step 2: Convert to fraction form
    575,185.77/793,815.71 = 345,818.07/x
  3. Step 3: Cross multiply
    575,185.77x = 793,815.71 × 345,818.07
  4. Step 4: Simplify right side
    575,185.77x = 274,515,815,038.79
  5. Step 5: Solve for x
    x = 274,515,815,038.79/575,185.77
  6. Step 6: Final answer
    x = 477,264.61

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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.