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Finding the Fourth Proportional to 425,156.18, 586,693.38 and 264,007.76

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Solution

The fourth proportional to 425,156.18, 586,693.38 and 264,007.76 is: 364,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,156.18 : 586,693.38 = 264,007.76 : x
  2. Step 2: Convert to fraction form
    425,156.18/586,693.38 = 264,007.76/x
  3. Step 3: Cross multiply
    425,156.18x = 586,693.38 × 264,007.76
  4. Step 4: Simplify right side
    425,156.18x = 154,891,606,582.37
  5. Step 5: Solve for x
    x = 154,891,606,582.37/425,156.18
  6. Step 6: Final answer
    x = 364,316.96

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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.