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Finding the Fourth Proportional to 364,432.50, 502,235.85 and 262,280.64

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Solution

The fourth proportional to 364,432.50, 502,235.85 and 262,280.64 is: 361,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,432.50 : 502,235.85 = 262,280.64 : x
  2. Step 2: Convert to fraction form
    364,432.50/502,235.85 = 262,280.64/x
  3. Step 3: Cross multiply
    364,432.50x = 502,235.85 × 262,280.64
  4. Step 4: Simplify right side
    364,432.50x = 131,726,740,168.94
  5. Step 5: Solve for x
    x = 131,726,740,168.94/364,432.50
  6. Step 6: Final answer
    x = 361,457.17

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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.