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Finding the Fourth Proportional to 623,158.80, 859,954.77 and 368,504.52

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Solution

The fourth proportional to 623,158.80, 859,954.77 and 368,504.52 is: 508,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,158.80 : 859,954.77 = 368,504.52 : x
  2. Step 2: Convert to fraction form
    623,158.80/859,954.77 = 368,504.52/x
  3. Step 3: Cross multiply
    623,158.80x = 859,954.77 × 368,504.52
  4. Step 4: Simplify right side
    623,158.80x = 316,897,219,740.56
  5. Step 5: Solve for x
    x = 316,897,219,740.56/623,158.80
  6. Step 6: Final answer
    x = 508,533.65

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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.