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Finding the Fourth Proportional to 604,388.84, 904,347.12 and 364,641.80

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Solution

The fourth proportional to 604,388.84, 904,347.12 and 364,641.80 is: 545,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,388.84 : 904,347.12 = 364,641.80 : x
  2. Step 2: Convert to fraction form
    604,388.84/904,347.12 = 364,641.80/x
  3. Step 3: Cross multiply
    604,388.84x = 904,347.12 × 364,641.80
  4. Step 4: Simplify right side
    604,388.84x = 329,762,761,661.62
  5. Step 5: Solve for x
    x = 329,762,761,661.62/604,388.84
  6. Step 6: Final answer
    x = 545,613.58

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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.