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Finding the Fourth Proportional to 328,366.66, 453,135.72 and 185,124.64

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Solution

The fourth proportional to 328,366.66, 453,135.72 and 185,124.64 is: 255,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,366.66 : 453,135.72 = 185,124.64 : x
  2. Step 2: Convert to fraction form
    328,366.66/453,135.72 = 185,124.64/x
  3. Step 3: Cross multiply
    328,366.66x = 453,135.72 × 185,124.64
  4. Step 4: Simplify right side
    328,366.66x = 83,886,587,036.14
  5. Step 5: Solve for x
    x = 83,886,587,036.14/328,366.66
  6. Step 6: Final answer
    x = 255,466.21

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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.