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Finding the Fourth Proportional to 437,931.88, 604,360.92 and 254,156.32

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Solution

The fourth proportional to 437,931.88, 604,360.92 and 254,156.32 is: 350,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,931.88 : 604,360.92 = 254,156.32 : x
  2. Step 2: Convert to fraction form
    437,931.88/604,360.92 = 254,156.32/x
  3. Step 3: Cross multiply
    437,931.88x = 604,360.92 × 254,156.32
  4. Step 4: Simplify right side
    437,931.88x = 153,602,147,379.01
  5. Step 5: Solve for x
    x = 153,602,147,379.01/437,931.88
  6. Step 6: Final answer
    x = 350,744.38

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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.