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Finding the Fourth Proportional to 555,960.38, 767,307.67 and 352,030.25

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Solution

The fourth proportional to 555,960.38, 767,307.67 and 352,030.25 is: 485,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,960.38 : 767,307.67 = 352,030.25 : x
  2. Step 2: Convert to fraction form
    555,960.38/767,307.67 = 352,030.25/x
  3. Step 3: Cross multiply
    555,960.38x = 767,307.67 × 352,030.25
  4. Step 4: Simplify right side
    555,960.38x = 270,115,511,935.21
  5. Step 5: Solve for x
    x = 270,115,511,935.21/555,960.38
  6. Step 6: Final answer
    x = 485,853.89

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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.