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Finding the Fourth Proportional to 521,083.86, 777,244.71 and 473,246.88

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Solution

The fourth proportional to 521,083.86, 777,244.71 and 473,246.88 is: 705,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,083.86 : 777,244.71 = 473,246.88 : x
  2. Step 2: Convert to fraction form
    521,083.86/777,244.71 = 473,246.88/x
  3. Step 3: Cross multiply
    521,083.86x = 777,244.71 × 473,246.88
  4. Step 4: Simplify right side
    521,083.86x = 367,828,634,004.01
  5. Step 5: Solve for x
    x = 367,828,634,004.01/521,083.86
  6. Step 6: Final answer
    x = 705,891.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.