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Finding the Fourth Proportional to 404,597.60, 607,587.60 and 264,975.20

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Solution

The fourth proportional to 404,597.60, 607,587.60 and 264,975.20 is: 397,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,597.60 : 607,587.60 = 264,975.20 : x
  2. Step 2: Convert to fraction form
    404,597.60/607,587.60 = 264,975.20/x
  3. Step 3: Cross multiply
    404,597.60x = 607,587.60 × 264,975.20
  4. Step 4: Simplify right side
    404,597.60x = 160,995,645,827.52
  5. Step 5: Solve for x
    x = 160,995,645,827.52/404,597.60
  6. Step 6: Final answer
    x = 397,915.47

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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.