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Finding the Fourth Proportional to 335,915.04, 503,192.16 and 155,746.74

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Solution

The fourth proportional to 335,915.04, 503,192.16 and 155,746.74 is: 233,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,915.04 : 503,192.16 = 155,746.74 : x
  2. Step 2: Convert to fraction form
    335,915.04/503,192.16 = 155,746.74/x
  3. Step 3: Cross multiply
    335,915.04x = 503,192.16 × 155,746.74
  4. Step 4: Simplify right side
    335,915.04x = 78,370,538,513.56
  5. Step 5: Solve for x
    x = 78,370,538,513.56/335,915.04
  6. Step 6: Final answer
    x = 233,304.64

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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.