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Finding the Fourth Proportional to 328,483.26, 453,293.10 and 185,256.62

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Solution

The fourth proportional to 328,483.26, 453,293.10 and 185,256.62 is: 255,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,483.26 : 453,293.10 = 185,256.62 : x
  2. Step 2: Convert to fraction form
    328,483.26/453,293.10 = 185,256.62/x
  3. Step 3: Cross multiply
    328,483.26x = 453,293.10 × 185,256.62
  4. Step 4: Simplify right side
    328,483.26x = 83,975,547,575.32
  5. Step 5: Solve for x
    x = 83,975,547,575.32/328,483.26
  6. Step 6: Final answer
    x = 255,646.35

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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.