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Finding the Fourth Proportional to 1,974,299.16, 2,961,075.06 and 962,404.68

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Solution

The fourth proportional to 1,974,299.16, 2,961,075.06 and 962,404.68 is: 1,443,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,299.16 : 2,961,075.06 = 962,404.68 : x
  2. Step 2: Convert to fraction form
    1,974,299.16/2,961,075.06 = 962,404.68/x
  3. Step 3: Cross multiply
    1,974,299.16x = 2,961,075.06 × 962,404.68
  4. Step 4: Simplify right side
    1,974,299.16x = 2,849,752,495,575.28
  5. Step 5: Solve for x
    x = 2,849,752,495,575.28/1,974,299.16
  6. Step 6: Final answer
    x = 1,443,424.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.