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Finding the Fourth Proportional to 675,497.36, 932,033.84 and 403,512.16

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Solution

The fourth proportional to 675,497.36, 932,033.84 and 403,512.16 is: 556,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,497.36 : 932,033.84 = 403,512.16 : x
  2. Step 2: Convert to fraction form
    675,497.36/932,033.84 = 403,512.16/x
  3. Step 3: Cross multiply
    675,497.36x = 932,033.84 × 403,512.16
  4. Step 4: Simplify right side
    675,497.36x = 376,086,987,971.49
  5. Step 5: Solve for x
    x = 376,086,987,971.49/675,497.36
  6. Step 6: Final answer
    x = 556,755.67

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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.