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Finding the Fourth Proportional to 1,819,459.31, 2,728,899.74 and 604,934.91

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Solution

The fourth proportional to 1,819,459.31, 2,728,899.74 and 604,934.91 is: 907,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,459.31 : 2,728,899.74 = 604,934.91 : x
  2. Step 2: Convert to fraction form
    1,819,459.31/2,728,899.74 = 604,934.91/x
  3. Step 3: Cross multiply
    1,819,459.31x = 2,728,899.74 × 604,934.91
  4. Step 4: Simplify right side
    1,819,459.31x = 1,650,806,716,725.50
  5. Step 5: Solve for x
    x = 1,650,806,716,725.50/1,819,459.31
  6. Step 6: Final answer
    x = 907,306.20

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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.