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Finding the Fourth Proportional to 647,109.20, 970,663.80 and 595,933.40

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Solution

The fourth proportional to 647,109.20, 970,663.80 and 595,933.40 is: 893,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,109.20 : 970,663.80 = 595,933.40 : x
  2. Step 2: Convert to fraction form
    647,109.20/970,663.80 = 595,933.40/x
  3. Step 3: Cross multiply
    647,109.20x = 970,663.80 × 595,933.40
  4. Step 4: Simplify right side
    647,109.20x = 578,450,978,590.92
  5. Step 5: Solve for x
    x = 578,450,978,590.92/647,109.20
  6. Step 6: Final answer
    x = 893,900.10

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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.