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Finding the Fourth Proportional to 586,678.56, 809,549.48 and 328,519.62

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Solution

The fourth proportional to 586,678.56, 809,549.48 and 328,519.62 is: 453,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,678.56 : 809,549.48 = 328,519.62 : x
  2. Step 2: Convert to fraction form
    586,678.56/809,549.48 = 328,519.62/x
  3. Step 3: Cross multiply
    586,678.56x = 809,549.48 × 328,519.62
  4. Step 4: Simplify right side
    586,678.56x = 265,952,887,540.80
  5. Step 5: Solve for x
    x = 265,952,887,540.80/586,678.56
  6. Step 6: Final answer
    x = 453,319.60

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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.