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Finding the Fourth Proportional to 1,002,512, 1,383,466.56 and 549,803

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Solution

The fourth proportional to 1,002,512, 1,383,466.56 and 549,803 is: 758,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,512 : 1,383,466.56 = 549,803 : x
  2. Step 2: Convert to fraction form
    1,002,512/1,383,466.56 = 549,803/x
  3. Step 3: Cross multiply
    1,002,512x = 1,383,466.56 × 549,803
  4. Step 4: Simplify right side
    1,002,512x = 760,634,065,087.68
  5. Step 5: Solve for x
    x = 760,634,065,087.68/1,002,512
  6. Step 6: Final answer
    x = 758,728.14

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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.