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Finding the Fourth Proportional to 536,374.56, 803,337.12 and 256,088.64

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Solution

The fourth proportional to 536,374.56, 803,337.12 and 256,088.64 is: 383,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,374.56 : 803,337.12 = 256,088.64 : x
  2. Step 2: Convert to fraction form
    536,374.56/803,337.12 = 256,088.64/x
  3. Step 3: Cross multiply
    536,374.56x = 803,337.12 × 256,088.64
  4. Step 4: Simplify right side
    536,374.56x = 205,725,510,522.32
  5. Step 5: Solve for x
    x = 205,725,510,522.32/536,374.56
  6. Step 6: Final answer
    x = 383,548.23

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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.