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Finding the Fourth Proportional to 328,840.02, 453,777.80 and 185,580.59

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Solution

The fourth proportional to 328,840.02, 453,777.80 and 185,580.59 is: 256,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,840.02 : 453,777.80 = 185,580.59 : x
  2. Step 2: Convert to fraction form
    328,840.02/453,777.80 = 185,580.59/x
  3. Step 3: Cross multiply
    328,840.02x = 453,777.80 × 185,580.59
  4. Step 4: Simplify right side
    328,840.02x = 84,212,348,656.11
  5. Step 5: Solve for x
    x = 84,212,348,656.11/328,840.02
  6. Step 6: Final answer
    x = 256,089.11

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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.