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Finding the Fourth Proportional to 575,040.80, 793,691.53 and 357,413.83

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Solution

The fourth proportional to 575,040.80, 793,691.53 and 357,413.83 is: 493,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,040.80 : 793,691.53 = 357,413.83 : x
  2. Step 2: Convert to fraction form
    575,040.80/793,691.53 = 357,413.83/x
  3. Step 3: Cross multiply
    575,040.80x = 793,691.53 × 357,413.83
  4. Step 4: Simplify right side
    575,040.80x = 283,676,329,575.86
  5. Step 5: Solve for x
    x = 283,676,329,575.86/575,040.80
  6. Step 6: Final answer
    x = 493,315.13

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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.