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Finding the Fourth Proportional to 328,802.12, 453,759.80 and 185,567.16

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Solution

The fourth proportional to 328,802.12, 453,759.80 and 185,567.16 is: 256,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,802.12 : 453,759.80 = 185,567.16 : x
  2. Step 2: Convert to fraction form
    328,802.12/453,759.80 = 185,567.16/x
  3. Step 3: Cross multiply
    328,802.12x = 453,759.80 × 185,567.16
  4. Step 4: Simplify right side
    328,802.12x = 84,202,916,480.33
  5. Step 5: Solve for x
    x = 84,202,916,480.33/328,802.12
  6. Step 6: Final answer
    x = 256,089.95

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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.