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Finding the Fourth Proportional to 600,558.40, 828,688.88 and 358,789.76

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Solution

The fourth proportional to 600,558.40, 828,688.88 and 358,789.76 is: 495,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,558.40 : 828,688.88 = 358,789.76 : x
  2. Step 2: Convert to fraction form
    600,558.40/828,688.88 = 358,789.76/x
  3. Step 3: Cross multiply
    600,558.40x = 828,688.88 × 358,789.76
  4. Step 4: Simplify right side
    600,558.40x = 297,325,084,369.87
  5. Step 5: Solve for x
    x = 297,325,084,369.87/600,558.40
  6. Step 6: Final answer
    x = 495,081.05

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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.