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Finding the Fourth Proportional to 555,931, 767,267.13 and 352,000.88

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Solution

The fourth proportional to 555,931, 767,267.13 and 352,000.88 is: 485,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,931 : 767,267.13 = 352,000.88 : x
  2. Step 2: Convert to fraction form
    555,931/767,267.13 = 352,000.88/x
  3. Step 3: Cross multiply
    555,931x = 767,267.13 × 352,000.88
  4. Step 4: Simplify right side
    555,931x = 270,078,704,955.07
  5. Step 5: Solve for x
    x = 270,078,704,955.07/555,931
  6. Step 6: Final answer
    x = 485,813.36

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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.