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Finding the Fourth Proportional to 617,528.50, 852,189.33 and 334,904.50

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Solution

The fourth proportional to 617,528.50, 852,189.33 and 334,904.50 is: 462,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,528.50 : 852,189.33 = 334,904.50 : x
  2. Step 2: Convert to fraction form
    617,528.50/852,189.33 = 334,904.50/x
  3. Step 3: Cross multiply
    617,528.50x = 852,189.33 × 334,904.50
  4. Step 4: Simplify right side
    617,528.50x = 285,402,041,468.99
  5. Step 5: Solve for x
    x = 285,402,041,468.99/617,528.50
  6. Step 6: Final answer
    x = 462,168.21

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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.