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Finding the Fourth Proportional to 895,328.58, 1,236,009.87 and 690,920.22

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Solution

The fourth proportional to 895,328.58, 1,236,009.87 and 690,920.22 is: 953,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,328.58 : 1,236,009.87 = 690,920.22 : x
  2. Step 2: Convert to fraction form
    895,328.58/1,236,009.87 = 690,920.22/x
  3. Step 3: Cross multiply
    895,328.58x = 1,236,009.87 × 690,920.22
  4. Step 4: Simplify right side
    895,328.58x = 853,984,211,302.57
  5. Step 5: Solve for x
    x = 853,984,211,302.57/895,328.58
  6. Step 6: Final answer
    x = 953,822.13

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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.