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Finding the Fourth Proportional to 869,559.99, 1,303,009.76 and 464,809.77

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Solution

The fourth proportional to 869,559.99, 1,303,009.76 and 464,809.77 is: 696,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,559.99 : 1,303,009.76 = 464,809.77 : x
  2. Step 2: Convert to fraction form
    869,559.99/1,303,009.76 = 464,809.77/x
  3. Step 3: Cross multiply
    869,559.99x = 1,303,009.76 × 464,809.77
  4. Step 4: Simplify right side
    869,559.99x = 605,651,666,853.36
  5. Step 5: Solve for x
    x = 605,651,666,853.36/869,559.99
  6. Step 6: Final answer
    x = 696,503.60

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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.