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Finding the Fourth Proportional to 336,046.40, 503,486.40 and 283,558.40

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Solution

The fourth proportional to 336,046.40, 503,486.40 and 283,558.40 is: 424,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,046.40 : 503,486.40 = 283,558.40 : x
  2. Step 2: Convert to fraction form
    336,046.40/503,486.40 = 283,558.40/x
  3. Step 3: Cross multiply
    336,046.40x = 503,486.40 × 283,558.40
  4. Step 4: Simplify right side
    336,046.40x = 142,767,798,005.76
  5. Step 5: Solve for x
    x = 142,767,798,005.76/336,046.40
  6. Step 6: Final answer
    x = 424,845.49

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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.