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Finding the Fourth Proportional to 590,896.40, 886,400.33 and 457,925.58

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Solution

The fourth proportional to 590,896.40, 886,400.33 and 457,925.58 is: 686,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,896.40 : 886,400.33 = 457,925.58 : x
  2. Step 2: Convert to fraction form
    590,896.40/886,400.33 = 457,925.58/x
  3. Step 3: Cross multiply
    590,896.40x = 886,400.33 × 457,925.58
  4. Step 4: Simplify right side
    590,896.40x = 405,905,382,937.81
  5. Step 5: Solve for x
    x = 405,905,382,937.81/590,896.40
  6. Step 6: Final answer
    x = 686,931.56

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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.