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Finding the Fourth Proportional to 552,565.89, 762,533.33 and 310,848.39

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Solution

The fourth proportional to 552,565.89, 762,533.33 and 310,848.39 is: 428,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,565.89 : 762,533.33 = 310,848.39 : x
  2. Step 2: Convert to fraction form
    552,565.89/762,533.33 = 310,848.39/x
  3. Step 3: Cross multiply
    552,565.89x = 762,533.33 × 310,848.39
  4. Step 4: Simplify right side
    552,565.89x = 237,032,256,397.60
  5. Step 5: Solve for x
    x = 237,032,256,397.60/552,565.89
  6. Step 6: Final answer
    x = 428,966.50

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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.