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Finding the Fourth Proportional to 365,666.40, 503,184.96 and 323,326.08

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Solution

The fourth proportional to 365,666.40, 503,184.96 and 323,326.08 is: 444,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,666.40 : 503,184.96 = 323,326.08 : x
  2. Step 2: Convert to fraction form
    365,666.40/503,184.96 = 323,326.08/x
  3. Step 3: Cross multiply
    365,666.40x = 503,184.96 × 323,326.08
  4. Step 4: Simplify right side
    365,666.40x = 162,692,820,631.76
  5. Step 5: Solve for x
    x = 162,692,820,631.76/365,666.40
  6. Step 6: Final answer
    x = 444,921.44

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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.