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Finding the Fourth Proportional to 878,543.88, 1,316,310 and 589,814.70

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Solution

The fourth proportional to 878,543.88, 1,316,310 and 589,814.70 is: 883,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,543.88 : 1,316,310 = 589,814.70 : x
  2. Step 2: Convert to fraction form
    878,543.88/1,316,310 = 589,814.70/x
  3. Step 3: Cross multiply
    878,543.88x = 1,316,310 × 589,814.70
  4. Step 4: Simplify right side
    878,543.88x = 776,378,987,757.00
  5. Step 5: Solve for x
    x = 776,378,987,757.00/878,543.88
  6. Step 6: Final answer
    x = 883,711.11

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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.