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Finding the Fourth Proportional to 865,900.64, 1,194,898.48 and 483,852.80

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Solution

The fourth proportional to 865,900.64, 1,194,898.48 and 483,852.80 is: 667,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,900.64 : 1,194,898.48 = 483,852.80 : x
  2. Step 2: Convert to fraction form
    865,900.64/1,194,898.48 = 483,852.80/x
  3. Step 3: Cross multiply
    865,900.64x = 1,194,898.48 × 483,852.80
  4. Step 4: Simplify right side
    865,900.64x = 578,154,975,263.74
  5. Step 5: Solve for x
    x = 578,154,975,263.74/865,900.64
  6. Step 6: Final answer
    x = 667,692.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.