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Finding the Fourth Proportional to 587,649.80, 882,543.90 and 514,166.60

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Solution

The fourth proportional to 587,649.80, 882,543.90 and 514,166.60 is: 772,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,649.80 : 882,543.90 = 514,166.60 : x
  2. Step 2: Convert to fraction form
    587,649.80/882,543.90 = 514,166.60/x
  3. Step 3: Cross multiply
    587,649.80x = 882,543.90 × 514,166.60
  4. Step 4: Simplify right side
    587,649.80x = 453,774,596,413.74
  5. Step 5: Solve for x
    x = 453,774,596,413.74/587,649.80
  6. Step 6: Final answer
    x = 772,185.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.