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Finding the Fourth Proportional to 586,206.40, 879,309.60 and 531,968.80

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Solution

The fourth proportional to 586,206.40, 879,309.60 and 531,968.80 is: 797,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,206.40 : 879,309.60 = 531,968.80 : x
  2. Step 2: Convert to fraction form
    586,206.40/879,309.60 = 531,968.80/x
  3. Step 3: Cross multiply
    586,206.40x = 879,309.60 × 531,968.80
  4. Step 4: Simplify right side
    586,206.40x = 467,765,272,740.48
  5. Step 5: Solve for x
    x = 467,765,272,740.48/586,206.40
  6. Step 6: Final answer
    x = 797,953.20

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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.