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Finding the Fourth Proportional to 547,655.68, 756,804.08 and 395,194.24

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Solution

The fourth proportional to 547,655.68, 756,804.08 and 395,194.24 is: 546,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,655.68 : 756,804.08 = 395,194.24 : x
  2. Step 2: Convert to fraction form
    547,655.68/756,804.08 = 395,194.24/x
  3. Step 3: Cross multiply
    547,655.68x = 756,804.08 × 395,194.24
  4. Step 4: Simplify right side
    547,655.68x = 299,084,613,224.50
  5. Step 5: Solve for x
    x = 299,084,613,224.50/547,655.68
  6. Step 6: Final answer
    x = 546,117.98

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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.