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Finding the Fourth Proportional to 491,293.40, 736,940.10 and 433,232.60

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Solution

The fourth proportional to 491,293.40, 736,940.10 and 433,232.60 is: 649,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,293.40 : 736,940.10 = 433,232.60 : x
  2. Step 2: Convert to fraction form
    491,293.40/736,940.10 = 433,232.60/x
  3. Step 3: Cross multiply
    491,293.40x = 736,940.10 × 433,232.60
  4. Step 4: Simplify right side
    491,293.40x = 319,266,475,567.26
  5. Step 5: Solve for x
    x = 319,266,475,567.26/491,293.40
  6. Step 6: Final answer
    x = 649,848.90

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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.