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Finding the Fourth Proportional to 371,301.04, 512,661.72 and 228,252.88

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Solution

The fourth proportional to 371,301.04, 512,661.72 and 228,252.88 is: 315,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,301.04 : 512,661.72 = 228,252.88 : x
  2. Step 2: Convert to fraction form
    371,301.04/512,661.72 = 228,252.88/x
  3. Step 3: Cross multiply
    371,301.04x = 512,661.72 × 228,252.88
  4. Step 4: Simplify right side
    371,301.04x = 117,016,514,055.75
  5. Step 5: Solve for x
    x = 117,016,514,055.75/371,301.04
  6. Step 6: Final answer
    x = 315,152.67

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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.