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Finding the Fourth Proportional to 434,500.61, 599,609.45 and 253,319.81

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Solution

The fourth proportional to 434,500.61, 599,609.45 and 253,319.81 is: 349,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,500.61 : 599,609.45 = 253,319.81 : x
  2. Step 2: Convert to fraction form
    434,500.61/599,609.45 = 253,319.81/x
  3. Step 3: Cross multiply
    434,500.61x = 599,609.45 × 253,319.81
  4. Step 4: Simplify right side
    434,500.61x = 151,892,949,583.46
  5. Step 5: Solve for x
    x = 151,892,949,583.46/434,500.61
  6. Step 6: Final answer
    x = 349,580.52

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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.