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Finding the Fourth Proportional to 488,030.16, 672,874.28 and 373,450.80

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Solution

The fourth proportional to 488,030.16, 672,874.28 and 373,450.80 is: 514,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,030.16 : 672,874.28 = 373,450.80 : x
  2. Step 2: Convert to fraction form
    488,030.16/672,874.28 = 373,450.80/x
  3. Step 3: Cross multiply
    488,030.16x = 672,874.28 × 373,450.80
  4. Step 4: Simplify right side
    488,030.16x = 251,285,438,165.42
  5. Step 5: Solve for x
    x = 251,285,438,165.42/488,030.16
  6. Step 6: Final answer
    x = 514,897.35

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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.