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Finding the Fourth Proportional to 611,752.11, 844,190.55 and 339,838.89

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Solution

The fourth proportional to 611,752.11, 844,190.55 and 339,838.89 is: 468,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,752.11 : 844,190.55 = 339,838.89 : x
  2. Step 2: Convert to fraction form
    611,752.11/844,190.55 = 339,838.89/x
  3. Step 3: Cross multiply
    611,752.11x = 844,190.55 × 339,838.89
  4. Step 4: Simplify right side
    611,752.11x = 286,888,779,460.49
  5. Step 5: Solve for x
    x = 286,888,779,460.49/611,752.11
  6. Step 6: Final answer
    x = 468,962.47

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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.