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Finding the Fourth Proportional to 705,532.40, 973,246.92 and 446,935.76

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Solution

The fourth proportional to 705,532.40, 973,246.92 and 446,935.76 is: 616,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,532.40 : 973,246.92 = 446,935.76 : x
  2. Step 2: Convert to fraction form
    705,532.40/973,246.92 = 446,935.76/x
  3. Step 3: Cross multiply
    705,532.40x = 973,246.92 × 446,935.76
  4. Step 4: Simplify right side
    705,532.40x = 434,978,851,857.86
  5. Step 5: Solve for x
    x = 434,978,851,857.86/705,532.40
  6. Step 6: Final answer
    x = 616,525.69

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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.