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Finding the Fourth Proportional to 416,865.04, 623,802.80 and 360,897.68

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Solution

The fourth proportional to 416,865.04, 623,802.80 and 360,897.68 is: 540,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,865.04 : 623,802.80 = 360,897.68 : x
  2. Step 2: Convert to fraction form
    416,865.04/623,802.80 = 360,897.68/x
  3. Step 3: Cross multiply
    416,865.04x = 623,802.80 × 360,897.68
  4. Step 4: Simplify right side
    416,865.04x = 225,128,983,297.50
  5. Step 5: Solve for x
    x = 225,128,983,297.50/416,865.04
  6. Step 6: Final answer
    x = 540,052.44

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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.