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Finding the Fourth Proportional to 452,908.54, 678,395.58 and 345,094.30

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Solution

The fourth proportional to 452,908.54, 678,395.58 and 345,094.30 is: 516,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,908.54 : 678,395.58 = 345,094.30 : x
  2. Step 2: Convert to fraction form
    452,908.54/678,395.58 = 345,094.30/x
  3. Step 3: Cross multiply
    452,908.54x = 678,395.58 × 345,094.30
  4. Step 4: Simplify right side
    452,908.54x = 234,110,447,803.19
  5. Step 5: Solve for x
    x = 234,110,447,803.19/452,908.54
  6. Step 6: Final answer
    x = 516,904.47

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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.