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Finding the Fourth Proportional to 697,867.09, 963,422.43 and 469,624.48

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Solution

The fourth proportional to 697,867.09, 963,422.43 and 469,624.48 is: 648,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,867.09 : 963,422.43 = 469,624.48 : x
  2. Step 2: Convert to fraction form
    697,867.09/963,422.43 = 469,624.48/x
  3. Step 3: Cross multiply
    697,867.09x = 963,422.43 × 469,624.48
  4. Step 4: Simplify right side
    697,867.09x = 452,446,760,279.51
  5. Step 5: Solve for x
    x = 452,446,760,279.51/697,867.09
  6. Step 6: Final answer
    x = 648,327.98

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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.