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Finding the Fourth Proportional to 314,067.80, 470,955.90 and 136,483.40

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Solution

The fourth proportional to 314,067.80, 470,955.90 and 136,483.40 is: 204,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,067.80 : 470,955.90 = 136,483.40 : x
  2. Step 2: Convert to fraction form
    314,067.80/470,955.90 = 136,483.40/x
  3. Step 3: Cross multiply
    314,067.80x = 470,955.90 × 136,483.40
  4. Step 4: Simplify right side
    314,067.80x = 64,277,662,482.06
  5. Step 5: Solve for x
    x = 64,277,662,482.06/314,067.80
  6. Step 6: Final answer
    x = 204,661.74

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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.