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Finding the Fourth Proportional to 624,329.01, 935,931.51 and 224,688.78

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Solution

The fourth proportional to 624,329.01, 935,931.51 and 224,688.78 is: 336,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,329.01 : 935,931.51 = 224,688.78 : x
  2. Step 2: Convert to fraction form
    624,329.01/935,931.51 = 224,688.78/x
  3. Step 3: Cross multiply
    624,329.01x = 935,931.51 × 224,688.78
  4. Step 4: Simplify right side
    624,329.01x = 210,293,309,145.46
  5. Step 5: Solve for x
    x = 210,293,309,145.46/624,329.01
  6. Step 6: Final answer
    x = 336,830.91

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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.