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Finding the Fourth Proportional to 962,593.32, 1,329,005.48 and 618,561.82

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Solution

The fourth proportional to 962,593.32, 1,329,005.48 and 618,561.82 is: 854,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,593.32 : 1,329,005.48 = 618,561.82 : x
  2. Step 2: Convert to fraction form
    962,593.32/1,329,005.48 = 618,561.82/x
  3. Step 3: Cross multiply
    962,593.32x = 1,329,005.48 × 618,561.82
  4. Step 4: Simplify right side
    962,593.32x = 822,072,048,498.77
  5. Step 5: Solve for x
    x = 822,072,048,498.77/962,593.32
  6. Step 6: Final answer
    x = 854,018.03

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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.