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Finding the Fourth Proportional to 463,611.81, 695,417.73 and 253,134.93

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Solution

The fourth proportional to 463,611.81, 695,417.73 and 253,134.93 is: 379,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,611.81 : 695,417.73 = 253,134.93 : x
  2. Step 2: Convert to fraction form
    463,611.81/695,417.73 = 253,134.93/x
  3. Step 3: Cross multiply
    463,611.81x = 695,417.73 × 253,134.93
  4. Step 4: Simplify right side
    463,611.81x = 176,034,518,404.31
  5. Step 5: Solve for x
    x = 176,034,518,404.31/463,611.81
  6. Step 6: Final answer
    x = 379,702.40

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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.