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Finding the Fourth Proportional to 314,003.40, 471,114.45 and 136,637.70

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Solution

The fourth proportional to 314,003.40, 471,114.45 and 136,637.70 is: 205,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,003.40 : 471,114.45 = 136,637.70 : x
  2. Step 2: Convert to fraction form
    314,003.40/471,114.45 = 136,637.70/x
  3. Step 3: Cross multiply
    314,003.40x = 471,114.45 × 136,637.70
  4. Step 4: Simplify right side
    314,003.40x = 64,371,994,884.77
  5. Step 5: Solve for x
    x = 64,371,994,884.77/314,003.40
  6. Step 6: Final answer
    x = 205,004.13

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1.5x scale

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.