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Finding the Fourth Proportional to 705,807.36, 974,023.56 and 383,523.12

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Solution

The fourth proportional to 705,807.36, 974,023.56 and 383,523.12 is: 529,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,807.36 : 974,023.56 = 383,523.12 : x
  2. Step 2: Convert to fraction form
    705,807.36/974,023.56 = 383,523.12/x
  3. Step 3: Cross multiply
    705,807.36x = 974,023.56 × 383,523.12
  4. Step 4: Simplify right side
    705,807.36x = 373,560,554,684.71
  5. Step 5: Solve for x
    x = 373,560,554,684.71/705,807.36
  6. Step 6: Final answer
    x = 529,267.02

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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.