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Finding the Fourth Proportional to 594,329.69, 820,783.17 and 556,243.08

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Solution

The fourth proportional to 594,329.69, 820,783.17 and 556,243.08 is: 768,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,329.69 : 820,783.17 = 556,243.08 : x
  2. Step 2: Convert to fraction form
    594,329.69/820,783.17 = 556,243.08/x
  3. Step 3: Cross multiply
    594,329.69x = 820,783.17 × 556,243.08
  4. Step 4: Simplify right side
    594,329.69x = 456,554,958,492.96
  5. Step 5: Solve for x
    x = 456,554,958,492.96/594,329.69
  6. Step 6: Final answer
    x = 768,184.68

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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.