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Finding the Fourth Proportional to 586,887.40, 882,210.30 and 545,285.80

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Solution

The fourth proportional to 586,887.40, 882,210.30 and 545,285.80 is: 819,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,887.40 : 882,210.30 = 545,285.80 : x
  2. Step 2: Convert to fraction form
    586,887.40/882,210.30 = 545,285.80/x
  3. Step 3: Cross multiply
    586,887.40x = 882,210.30 × 545,285.80
  4. Step 4: Simplify right side
    586,887.40x = 481,056,749,203.74
  5. Step 5: Solve for x
    x = 481,056,749,203.74/586,887.40
  6. Step 6: Final answer
    x = 819,674.69

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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.