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Finding the Fourth Proportional to 596,915.20, 896,409.60 and 316,979.20

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Solution

The fourth proportional to 596,915.20, 896,409.60 and 316,979.20 is: 476,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,915.20 : 896,409.60 = 316,979.20 : x
  2. Step 2: Convert to fraction form
    596,915.20/896,409.60 = 316,979.20/x
  3. Step 3: Cross multiply
    596,915.20x = 896,409.60 × 316,979.20
  4. Step 4: Simplify right side
    596,915.20x = 284,143,197,880.32
  5. Step 5: Solve for x
    x = 284,143,197,880.32/596,915.20
  6. Step 6: Final answer
    x = 476,019.37

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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.