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Finding the Fourth Proportional to 424,117.50, 585,283.37 and 242,832.21

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Solution

The fourth proportional to 424,117.50, 585,283.37 and 242,832.21 is: 335,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,117.50 : 585,283.37 = 242,832.21 : x
  2. Step 2: Convert to fraction form
    424,117.50/585,283.37 = 242,832.21/x
  3. Step 3: Cross multiply
    424,117.50x = 585,283.37 × 242,832.21
  4. Step 4: Simplify right side
    424,117.50x = 142,125,652,999.19
  5. Step 5: Solve for x
    x = 142,125,652,999.19/424,117.50
  6. Step 6: Final answer
    x = 335,109.15

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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.