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Finding the Fourth Proportional to 1,609,294.40, 2,415,784.80 and 944,820.80

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Solution

The fourth proportional to 1,609,294.40, 2,415,784.80 and 944,820.80 is: 1,418,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,294.40 : 2,415,784.80 = 944,820.80 : x
  2. Step 2: Convert to fraction form
    1,609,294.40/2,415,784.80 = 944,820.80/x
  3. Step 3: Cross multiply
    1,609,294.40x = 2,415,784.80 × 944,820.80
  4. Step 4: Simplify right side
    1,609,294.40x = 2,282,483,727,363.84
  5. Step 5: Solve for x
    x = 2,282,483,727,363.84/1,609,294.40
  6. Step 6: Final answer
    x = 1,418,313.35

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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.