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Finding the Fourth Proportional to 965,995.71, 1,333,080.03 and 530,431.88

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Solution

The fourth proportional to 965,995.71, 1,333,080.03 and 530,431.88 is: 731,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,995.71 : 1,333,080.03 = 530,431.88 : x
  2. Step 2: Convert to fraction form
    965,995.71/1,333,080.03 = 530,431.88/x
  3. Step 3: Cross multiply
    965,995.71x = 1,333,080.03 × 530,431.88
  4. Step 4: Simplify right side
    965,995.71x = 707,108,138,843.40
  5. Step 5: Solve for x
    x = 707,108,138,843.40/965,995.71
  6. Step 6: Final answer
    x = 731,999.26

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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.