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Finding the Fourth Proportional to 543,787.08, 750,123.90 and 505,299.24

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Solution

The fourth proportional to 543,787.08, 750,123.90 and 505,299.24 is: 697,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,787.08 : 750,123.90 = 505,299.24 : x
  2. Step 2: Convert to fraction form
    543,787.08/750,123.90 = 505,299.24/x
  3. Step 3: Cross multiply
    543,787.08x = 750,123.90 × 505,299.24
  4. Step 4: Simplify right side
    543,787.08x = 379,037,036,575.84
  5. Step 5: Solve for x
    x = 379,037,036,575.84/543,787.08
  6. Step 6: Final answer
    x = 697,032.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.