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Finding the Fourth Proportional to 452,110.40, 678,165.60 and 373,313.60

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Solution

The fourth proportional to 452,110.40, 678,165.60 and 373,313.60 is: 559,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,110.40 : 678,165.60 = 373,313.60 : x
  2. Step 2: Convert to fraction form
    452,110.40/678,165.60 = 373,313.60/x
  3. Step 3: Cross multiply
    452,110.40x = 678,165.60 × 373,313.60
  4. Step 4: Simplify right side
    452,110.40x = 253,168,441,532.16
  5. Step 5: Solve for x
    x = 253,168,441,532.16/452,110.40
  6. Step 6: Final answer
    x = 559,970.40

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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.