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Finding the Fourth Proportional to 504,038.16, 755,834.40 and 267,326.64

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Solution

The fourth proportional to 504,038.16, 755,834.40 and 267,326.64 is: 400,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,038.16 : 755,834.40 = 267,326.64 : x
  2. Step 2: Convert to fraction form
    504,038.16/755,834.40 = 267,326.64/x
  3. Step 3: Cross multiply
    504,038.16x = 755,834.40 × 267,326.64
  4. Step 4: Simplify right side
    504,038.16x = 202,054,670,548.42
  5. Step 5: Solve for x
    x = 202,054,670,548.42/504,038.16
  6. Step 6: Final answer
    x = 400,871.77

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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.