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Finding the Fourth Proportional to 480,174.32, 719,548.72 and 195,516.64

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Solution

The fourth proportional to 480,174.32, 719,548.72 and 195,516.64 is: 292,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,174.32 : 719,548.72 = 195,516.64 : x
  2. Step 2: Convert to fraction form
    480,174.32/719,548.72 = 195,516.64/x
  3. Step 3: Cross multiply
    480,174.32x = 719,548.72 × 195,516.64
  4. Step 4: Simplify right side
    480,174.32x = 140,683,748,050.70
  5. Step 5: Solve for x
    x = 140,683,748,050.70/480,174.32
  6. Step 6: Final answer
    x = 292,984.74

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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.