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Finding the Fourth Proportional to 405,671.04, 559,821.24 and 224,368.74

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Solution

The fourth proportional to 405,671.04, 559,821.24 and 224,368.74 is: 309,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,671.04 : 559,821.24 = 224,368.74 : x
  2. Step 2: Convert to fraction form
    405,671.04/559,821.24 = 224,368.74/x
  3. Step 3: Cross multiply
    405,671.04x = 559,821.24 × 224,368.74
  4. Step 4: Simplify right side
    405,671.04x = 125,606,386,244.04
  5. Step 5: Solve for x
    x = 125,606,386,244.04/405,671.04
  6. Step 6: Final answer
    x = 309,626.21

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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.