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Finding the Fourth Proportional to 549,532.50, 758,724.98 and 343,115.24

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Solution

The fourth proportional to 549,532.50, 758,724.98 and 343,115.24 is: 473,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,532.50 : 758,724.98 = 343,115.24 : x
  2. Step 2: Convert to fraction form
    549,532.50/758,724.98 = 343,115.24/x
  3. Step 3: Cross multiply
    549,532.50x = 758,724.98 × 343,115.24
  4. Step 4: Simplify right side
    549,532.50x = 260,330,102,365.32
  5. Step 5: Solve for x
    x = 260,330,102,365.32/549,532.50
  6. Step 6: Final answer
    x = 473,730.13

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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.