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Finding the Fourth Proportional to 434,861.45, 600,107.65 and 243,878.94

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Solution

The fourth proportional to 434,861.45, 600,107.65 and 243,878.94 is: 336,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,861.45 : 600,107.65 = 243,878.94 : x
  2. Step 2: Convert to fraction form
    434,861.45/600,107.65 = 243,878.94/x
  3. Step 3: Cross multiply
    434,861.45x = 600,107.65 × 243,878.94
  4. Step 4: Simplify right side
    434,861.45x = 146,353,617,567.89
  5. Step 5: Solve for x
    x = 146,353,617,567.89/434,861.45
  6. Step 6: Final answer
    x = 336,552.29

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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.