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Finding the Fourth Proportional to 313,937.04, 470,894.98 and 136,444.08

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Solution

The fourth proportional to 313,937.04, 470,894.98 and 136,444.08 is: 204,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,937.04 : 470,894.98 = 136,444.08 : x
  2. Step 2: Convert to fraction form
    313,937.04/470,894.98 = 136,444.08/x
  3. Step 3: Cross multiply
    313,937.04x = 470,894.98 × 136,444.08
  4. Step 4: Simplify right side
    313,937.04x = 64,250,832,322.72
  5. Step 5: Solve for x
    x = 64,250,832,322.72/313,937.04
  6. Step 6: Final answer
    x = 204,661.52

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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.