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Finding the Fourth Proportional to 616,189.40, 922,728.90 and 404,682.20

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Solution

The fourth proportional to 616,189.40, 922,728.90 and 404,682.20 is: 606,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,189.40 : 922,728.90 = 404,682.20 : x
  2. Step 2: Convert to fraction form
    616,189.40/922,728.90 = 404,682.20/x
  3. Step 3: Cross multiply
    616,189.40x = 922,728.90 × 404,682.20
  4. Step 4: Simplify right side
    616,189.40x = 373,411,961,255.58
  5. Step 5: Solve for x
    x = 373,411,961,255.58/616,189.40
  6. Step 6: Final answer
    x = 606,001.92

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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.