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Finding the Fourth Proportional to 973,074.80, 1,456,501.80 and 693,138.80

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Solution

The fourth proportional to 973,074.80, 1,456,501.80 and 693,138.80 is: 1,037,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,074.80 : 1,456,501.80 = 693,138.80 : x
  2. Step 2: Convert to fraction form
    973,074.80/1,456,501.80 = 693,138.80/x
  3. Step 3: Cross multiply
    973,074.80x = 1,456,501.80 × 693,138.80
  4. Step 4: Simplify right side
    973,074.80x = 1,009,557,909,849.84
  5. Step 5: Solve for x
    x = 1,009,557,909,849.84/973,074.80
  6. Step 6: Final answer
    x = 1,037,492.61

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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.