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Finding the Fourth Proportional to 543,881.94, 750,315.60 and 362,416.83

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Solution

The fourth proportional to 543,881.94, 750,315.60 and 362,416.83 is: 499,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,881.94 : 750,315.60 = 362,416.83 : x
  2. Step 2: Convert to fraction form
    543,881.94/750,315.60 = 362,416.83/x
  3. Step 3: Cross multiply
    543,881.94x = 750,315.60 × 362,416.83
  4. Step 4: Simplify right side
    543,881.94x = 271,927,001,251.55
  5. Step 5: Solve for x
    x = 271,927,001,251.55/543,881.94
  6. Step 6: Final answer
    x = 499,974.32

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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.