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Finding the Fourth Proportional to 372,035.60, 513,426.69 and 210,893.79

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Solution

The fourth proportional to 372,035.60, 513,426.69 and 210,893.79 is: 291,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,035.60 : 513,426.69 = 210,893.79 : x
  2. Step 2: Convert to fraction form
    372,035.60/513,426.69 = 210,893.79/x
  3. Step 3: Cross multiply
    372,035.60x = 513,426.69 × 210,893.79
  4. Step 4: Simplify right side
    372,035.60x = 108,278,500,541.26
  5. Step 5: Solve for x
    x = 108,278,500,541.26/372,035.60
  6. Step 6: Final answer
    x = 291,043.39

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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.