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Finding the Fourth Proportional to 506,846.04, 699,526.05 and 289,055.16

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Solution

The fourth proportional to 506,846.04, 699,526.05 and 289,055.16 is: 398,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,846.04 : 699,526.05 = 289,055.16 : x
  2. Step 2: Convert to fraction form
    506,846.04/699,526.05 = 289,055.16/x
  3. Step 3: Cross multiply
    506,846.04x = 699,526.05 × 289,055.16
  4. Step 4: Simplify right side
    506,846.04x = 202,201,614,306.92
  5. Step 5: Solve for x
    x = 202,201,614,306.92/506,846.04
  6. Step 6: Final answer
    x = 398,940.90

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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.