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Finding the Fourth Proportional to 576,878.94, 864,143.37 and 470,641.50

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Solution

The fourth proportional to 576,878.94, 864,143.37 and 470,641.50 is: 705,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,878.94 : 864,143.37 = 470,641.50 : x
  2. Step 2: Convert to fraction form
    576,878.94/864,143.37 = 470,641.50/x
  3. Step 3: Cross multiply
    576,878.94x = 864,143.37 × 470,641.50
  4. Step 4: Simplify right side
    576,878.94x = 406,701,731,871.86
  5. Step 5: Solve for x
    x = 406,701,731,871.86/576,878.94
  6. Step 6: Final answer
    x = 705,003.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.