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Finding the Fourth Proportional to 702,750.50, 1,054,322.83 and 282,321.62

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Solution

The fourth proportional to 702,750.50, 1,054,322.83 and 282,321.62 is: 423,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,750.50 : 1,054,322.83 = 282,321.62 : x
  2. Step 2: Convert to fraction form
    702,750.50/1,054,322.83 = 282,321.62/x
  3. Step 3: Cross multiply
    702,750.50x = 1,054,322.83 × 282,321.62
  4. Step 4: Simplify right side
    702,750.50x = 297,658,129,368.59
  5. Step 5: Solve for x
    x = 297,658,129,368.59/702,750.50
  6. Step 6: Final answer
    x = 423,561.60

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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.