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Finding the Fourth Proportional to 328,840.96, 453,802.10 and 185,607.04

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Solution

The fourth proportional to 328,840.96, 453,802.10 and 185,607.04 is: 256,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,840.96 : 453,802.10 = 185,607.04 : x
  2. Step 2: Convert to fraction form
    328,840.96/453,802.10 = 185,607.04/x
  3. Step 3: Cross multiply
    328,840.96x = 453,802.10 × 185,607.04
  4. Step 4: Simplify right side
    328,840.96x = 84,228,864,526.78
  5. Step 5: Solve for x
    x = 84,228,864,526.78/328,840.96
  6. Step 6: Final answer
    x = 256,138.60

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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.