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Finding the Fourth Proportional to 306,571.91, 459,703.28 and 93,298.91

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Solution

The fourth proportional to 306,571.91, 459,703.28 and 93,298.91 is: 139,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,571.91 : 459,703.28 = 93,298.91 : x
  2. Step 2: Convert to fraction form
    306,571.91/459,703.28 = 93,298.91/x
  3. Step 3: Cross multiply
    306,571.91x = 459,703.28 × 93,298.91
  4. Step 4: Simplify right side
    306,571.91x = 42,889,812,882.16
  5. Step 5: Solve for x
    x = 42,889,812,882.16/306,571.91
  6. Step 6: Final answer
    x = 139,901.32

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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.