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Finding the Fourth Proportional to 435,915.27, 601,570.19 and 239,690.00

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Solution

The fourth proportional to 435,915.27, 601,570.19 and 239,690.00 is: 330,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,915.27 : 601,570.19 = 239,690.00 : x
  2. Step 2: Convert to fraction form
    435,915.27/601,570.19 = 239,690.00/x
  3. Step 3: Cross multiply
    435,915.27x = 601,570.19 × 239,690.00
  4. Step 4: Simplify right side
    435,915.27x = 144,190,358,406.38
  5. Step 5: Solve for x
    x = 144,190,358,406.38/435,915.27
  6. Step 6: Final answer
    x = 330,776.11

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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.