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Finding the Fourth Proportional to 1,566,561.62, 2,349,364.06 and 1,083,349.86

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Solution

The fourth proportional to 1,566,561.62, 2,349,364.06 and 1,083,349.86 is: 1,624,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,561.62 : 2,349,364.06 = 1,083,349.86 : x
  2. Step 2: Convert to fraction form
    1,566,561.62/2,349,364.06 = 1,083,349.86/x
  3. Step 3: Cross multiply
    1,566,561.62x = 2,349,364.06 × 1,083,349.86
  4. Step 4: Simplify right side
    1,566,561.62x = 2,545,183,225,490.03
  5. Step 5: Solve for x
    x = 2,545,183,225,490.03/1,566,561.62
  6. Step 6: Final answer
    x = 1,624,693.98

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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.