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Finding the Fourth Proportional to 473,508.79, 653,442.11 and 255,717.45

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Solution

The fourth proportional to 473,508.79, 653,442.11 and 255,717.45 is: 352,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,508.79 : 653,442.11 = 255,717.45 : x
  2. Step 2: Convert to fraction form
    473,508.79/653,442.11 = 255,717.45/x
  3. Step 3: Cross multiply
    473,508.79x = 653,442.11 × 255,717.45
  4. Step 4: Simplify right side
    473,508.79x = 167,096,548,458.21
  5. Step 5: Solve for x
    x = 167,096,548,458.21/473,508.79
  6. Step 6: Final answer
    x = 352,890.06

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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.