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Finding the Fourth Proportional to 476,087.60, 714,130.68 and 195,407.12

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Solution

The fourth proportional to 476,087.60, 714,130.68 and 195,407.12 is: 293,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,087.60 : 714,130.68 = 195,407.12 : x
  2. Step 2: Convert to fraction form
    476,087.60/714,130.68 = 195,407.12/x
  3. Step 3: Cross multiply
    476,087.60x = 714,130.68 × 195,407.12
  4. Step 4: Simplify right side
    476,087.60x = 139,546,219,482.44
  5. Step 5: Solve for x
    x = 139,546,219,482.44/476,087.60
  6. Step 6: Final answer
    x = 293,110.38

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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.