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Finding the Fourth Proportional to 423,817.11, 584,900.39 and 242,585.89

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Solution

The fourth proportional to 423,817.11, 584,900.39 and 242,585.89 is: 334,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,817.11 : 584,900.39 = 242,585.89 : x
  2. Step 2: Convert to fraction form
    423,817.11/584,900.39 = 242,585.89/x
  3. Step 3: Cross multiply
    423,817.11x = 584,900.39 × 242,585.89
  4. Step 4: Simplify right side
    423,817.11x = 141,888,580,813.71
  5. Step 5: Solve for x
    x = 141,888,580,813.71/423,817.11
  6. Step 6: Final answer
    x = 334,787.29

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1.5x scale

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.