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Finding the Fourth Proportional to 584,331.12, 806,376.60 and 316,059.12

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Solution

The fourth proportional to 584,331.12, 806,376.60 and 316,059.12 is: 436,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,331.12 : 806,376.60 = 316,059.12 : x
  2. Step 2: Convert to fraction form
    584,331.12/806,376.60 = 316,059.12/x
  3. Step 3: Cross multiply
    584,331.12x = 806,376.60 × 316,059.12
  4. Step 4: Simplify right side
    584,331.12x = 254,862,678,584.59
  5. Step 5: Solve for x
    x = 254,862,678,584.59/584,331.12
  6. Step 6: Final answer
    x = 436,161.40

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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.