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Finding the Fourth Proportional to 633,475.64, 874,210.46 and 361,538.12

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Solution

The fourth proportional to 633,475.64, 874,210.46 and 361,538.12 is: 498,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,475.64 : 874,210.46 = 361,538.12 : x
  2. Step 2: Convert to fraction form
    633,475.64/874,210.46 = 361,538.12/x
  3. Step 3: Cross multiply
    633,475.64x = 874,210.46 × 361,538.12
  4. Step 4: Simplify right side
    633,475.64x = 316,060,406,192.74
  5. Step 5: Solve for x
    x = 316,060,406,192.74/633,475.64
  6. Step 6: Final answer
    x = 498,930.64

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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.