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Finding the Fourth Proportional to 328,897.48, 453,878.32 and 185,658.76

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Solution

The fourth proportional to 328,897.48, 453,878.32 and 185,658.76 is: 256,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,897.48 : 453,878.32 = 185,658.76 : x
  2. Step 2: Convert to fraction form
    328,897.48/453,878.32 = 185,658.76/x
  3. Step 3: Cross multiply
    328,897.48x = 453,878.32 × 185,658.76
  4. Step 4: Simplify right side
    328,897.48x = 84,266,486,082.08
  5. Step 5: Solve for x
    x = 84,266,486,082.08/328,897.48
  6. Step 6: Final answer
    x = 256,208.97

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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.