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Finding the Fourth Proportional to 434,511.48, 599,624.46 and 253,330.68

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Solution

The fourth proportional to 434,511.48, 599,624.46 and 253,330.68 is: 349,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,511.48 : 599,624.46 = 253,330.68 : x
  2. Step 2: Convert to fraction form
    434,511.48/599,624.46 = 253,330.68/x
  3. Step 3: Cross multiply
    434,511.48x = 599,624.46 × 253,330.68
  4. Step 4: Simplify right side
    434,511.48x = 151,903,272,196.43
  5. Step 5: Solve for x
    x = 151,903,272,196.43/434,511.48
  6. Step 6: Final answer
    x = 349,595.53

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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.