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Finding the Fourth Proportional to 586,280.59, 879,572.50 and 343,326.84

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Solution

The fourth proportional to 586,280.59, 879,572.50 and 343,326.84 is: 515,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,280.59 : 879,572.50 = 343,326.84 : x
  2. Step 2: Convert to fraction form
    586,280.59/879,572.50 = 343,326.84/x
  3. Step 3: Cross multiply
    586,280.59x = 879,572.50 × 343,326.84
  4. Step 4: Simplify right side
    586,280.59x = 301,980,846,975.90
  5. Step 5: Solve for x
    x = 301,980,846,975.90/586,280.59
  6. Step 6: Final answer
    x = 515,079.05

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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.