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Finding the Fourth Proportional to 452,566.79, 624,472.80 and 261,543.32

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Solution

The fourth proportional to 452,566.79, 624,472.80 and 261,543.32 is: 360,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,566.79 : 624,472.80 = 261,543.32 : x
  2. Step 2: Convert to fraction form
    452,566.79/624,472.80 = 261,543.32/x
  3. Step 3: Cross multiply
    452,566.79x = 624,472.80 × 261,543.32
  4. Step 4: Simplify right side
    452,566.79x = 163,326,686,239.33
  5. Step 5: Solve for x
    x = 163,326,686,239.33/452,566.79
  6. Step 6: Final answer
    x = 360,889.69

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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.