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Finding the Fourth Proportional to 600,663.90, 828,834.36 and 358,895.40

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Solution

The fourth proportional to 600,663.90, 828,834.36 and 358,895.40 is: 495,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,663.90 : 828,834.36 = 358,895.40 : x
  2. Step 2: Convert to fraction form
    600,663.90/828,834.36 = 358,895.40/x
  3. Step 3: Cross multiply
    600,663.90x = 828,834.36 × 358,895.40
  4. Step 4: Simplify right side
    600,663.90x = 297,464,839,165.94
  5. Step 5: Solve for x
    x = 297,464,839,165.94/600,663.90
  6. Step 6: Final answer
    x = 495,226.76

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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.