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Finding the Fourth Proportional to 228,303.90, 314,983.08 and 132,790.32

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Solution

The fourth proportional to 228,303.90, 314,983.08 and 132,790.32 is: 183,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,303.90 : 314,983.08 = 132,790.32 : x
  2. Step 2: Convert to fraction form
    228,303.90/314,983.08 = 132,790.32/x
  3. Step 3: Cross multiply
    228,303.90x = 314,983.08 × 132,790.32
  4. Step 4: Simplify right side
    228,303.90x = 41,826,703,987.79
  5. Step 5: Solve for x
    x = 41,826,703,987.79/228,303.90
  6. Step 6: Final answer
    x = 183,206.26

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1.5x scale

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.