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Finding the Fourth Proportional to 437,860.38, 604,307.28 and 256,644.48

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Solution

The fourth proportional to 437,860.38, 604,307.28 and 256,644.48 is: 354,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,860.38 : 604,307.28 = 256,644.48 : x
  2. Step 2: Convert to fraction form
    437,860.38/604,307.28 = 256,644.48/x
  3. Step 3: Cross multiply
    437,860.38x = 604,307.28 × 256,644.48
  4. Step 4: Simplify right side
    437,860.38x = 155,092,127,635.81
  5. Step 5: Solve for x
    x = 155,092,127,635.81/437,860.38
  6. Step 6: Final answer
    x = 354,204.52

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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.