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Finding the Fourth Proportional to 614,963.10, 922,444.65 and 404,838.30

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Solution

The fourth proportional to 614,963.10, 922,444.65 and 404,838.30 is: 607,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,963.10 : 922,444.65 = 404,838.30 : x
  2. Step 2: Convert to fraction form
    614,963.10/922,444.65 = 404,838.30/x
  3. Step 3: Cross multiply
    614,963.10x = 922,444.65 × 404,838.30
  4. Step 4: Simplify right side
    614,963.10x = 373,440,923,950.10
  5. Step 5: Solve for x
    x = 373,440,923,950.10/614,963.10
  6. Step 6: Final answer
    x = 607,257.45

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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.