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Finding the Fourth Proportional to 565,915.64, 849,113.48 and 266,389.56

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Solution

The fourth proportional to 565,915.64, 849,113.48 and 266,389.56 is: 399,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,915.64 : 849,113.48 = 266,389.56 : x
  2. Step 2: Convert to fraction form
    565,915.64/849,113.48 = 266,389.56/x
  3. Step 3: Cross multiply
    565,915.64x = 849,113.48 × 266,389.56
  4. Step 4: Simplify right side
    565,915.64x = 226,194,966,327.27
  5. Step 5: Solve for x
    x = 226,194,966,327.27/565,915.64
  6. Step 6: Final answer
    x = 399,697.32

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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.