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Finding the Fourth Proportional to 1,765,621.80, 2,648,432.70 and 583,669.80

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Solution

The fourth proportional to 1,765,621.80, 2,648,432.70 and 583,669.80 is: 875,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,621.80 : 2,648,432.70 = 583,669.80 : x
  2. Step 2: Convert to fraction form
    1,765,621.80/2,648,432.70 = 583,669.80/x
  3. Step 3: Cross multiply
    1,765,621.80x = 2,648,432.70 × 583,669.80
  4. Step 4: Simplify right side
    1,765,621.80x = 1,545,810,184,322.46
  5. Step 5: Solve for x
    x = 1,545,810,184,322.46/1,765,621.80
  6. Step 6: Final answer
    x = 875,504.70

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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.