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Finding the Fourth Proportional to 560,227.32, 772,893.39 and 344,993.72

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Solution

The fourth proportional to 560,227.32, 772,893.39 and 344,993.72 is: 475,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,227.32 : 772,893.39 = 344,993.72 : x
  2. Step 2: Convert to fraction form
    560,227.32/772,893.39 = 344,993.72/x
  3. Step 3: Cross multiply
    560,227.32x = 772,893.39 × 344,993.72
  4. Step 4: Simplify right side
    560,227.32x = 266,643,365,779.51
  5. Step 5: Solve for x
    x = 266,643,365,779.51/560,227.32
  6. Step 6: Final answer
    x = 475,955.66

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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.