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Finding the Fourth Proportional to 602,516.86, 903,616.89 and 286,344.70

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Solution

The fourth proportional to 602,516.86, 903,616.89 and 286,344.70 is: 429,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,516.86 : 903,616.89 = 286,344.70 : x
  2. Step 2: Convert to fraction form
    602,516.86/903,616.89 = 286,344.70/x
  3. Step 3: Cross multiply
    602,516.86x = 903,616.89 × 286,344.70
  4. Step 4: Simplify right side
    602,516.86x = 258,745,907,281.98
  5. Step 5: Solve for x
    x = 258,745,907,281.98/602,516.86
  6. Step 6: Final answer
    x = 429,441.77

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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.