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Finding the Fourth Proportional to 328,335.59, 453,083.63 and 190,503.86

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Solution

The fourth proportional to 328,335.59, 453,083.63 and 190,503.86 is: 262,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,335.59 : 453,083.63 = 190,503.86 : x
  2. Step 2: Convert to fraction form
    328,335.59/453,083.63 = 190,503.86/x
  3. Step 3: Cross multiply
    328,335.59x = 453,083.63 × 190,503.86
  4. Step 4: Simplify right side
    328,335.59x = 86,314,177,199.87
  5. Step 5: Solve for x
    x = 86,314,177,199.87/328,335.59
  6. Step 6: Final answer
    x = 262,884.01

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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.