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Finding the Fourth Proportional to 366,552.55, 549,664.80 and 141,838.30

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Solution

The fourth proportional to 366,552.55, 549,664.80 and 141,838.30 is: 212,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,552.55 : 549,664.80 = 141,838.30 : x
  2. Step 2: Convert to fraction form
    366,552.55/549,664.80 = 141,838.30/x
  3. Step 3: Cross multiply
    366,552.55x = 549,664.80 × 141,838.30
  4. Step 4: Simplify right side
    366,552.55x = 77,963,520,801.84
  5. Step 5: Solve for x
    x = 77,963,520,801.84/366,552.55
  6. Step 6: Final answer
    x = 212,693.98

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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.