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Finding the Fourth Proportional to 866,014.64, 1,195,052.00 and 478,807.67

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Solution

The fourth proportional to 866,014.64, 1,195,052.00 and 478,807.67 is: 660,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,014.64 : 1,195,052.00 = 478,807.67 : x
  2. Step 2: Convert to fraction form
    866,014.64/1,195,052.00 = 478,807.67/x
  3. Step 3: Cross multiply
    866,014.64x = 1,195,052.00 × 478,807.67
  4. Step 4: Simplify right side
    866,014.64x = 572,200,064,242.43
  5. Step 5: Solve for x
    x = 572,200,064,242.43/866,014.64
  6. Step 6: Final answer
    x = 660,727.94

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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.