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Finding the Fourth Proportional to 649,885.53, 896,763.89 and 374,333.00

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Solution

The fourth proportional to 649,885.53, 896,763.89 and 374,333.00 is: 516,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,885.53 : 896,763.89 = 374,333.00 : x
  2. Step 2: Convert to fraction form
    649,885.53/896,763.89 = 374,333.00/x
  3. Step 3: Cross multiply
    649,885.53x = 896,763.89 × 374,333.00
  4. Step 4: Simplify right side
    649,885.53x = 335,688,310,879.89
  5. Step 5: Solve for x
    x = 335,688,310,879.89/649,885.53
  6. Step 6: Final answer
    x = 516,534.52

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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.