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Finding the Fourth Proportional to 713,907.68, 1,070,516.96 and 414,463.64

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Solution

The fourth proportional to 713,907.68, 1,070,516.96 and 414,463.64 is: 621,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,907.68 : 1,070,516.96 = 414,463.64 : x
  2. Step 2: Convert to fraction form
    713,907.68/1,070,516.96 = 414,463.64/x
  3. Step 3: Cross multiply
    713,907.68x = 1,070,516.96 × 414,463.64
  4. Step 4: Simplify right side
    713,907.68x = 443,690,350,052.67
  5. Step 5: Solve for x
    x = 443,690,350,052.67/713,907.68
  6. Step 6: Final answer
    x = 621,495.42

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1.5x scale

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.