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Finding the Fourth Proportional to 697,944.71, 962,918.42 and 456,368.69

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Solution

The fourth proportional to 697,944.71, 962,918.42 and 456,368.69 is: 629,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,944.71 : 962,918.42 = 456,368.69 : x
  2. Step 2: Convert to fraction form
    697,944.71/962,918.42 = 456,368.69/x
  3. Step 3: Cross multiply
    697,944.71x = 962,918.42 × 456,368.69
  4. Step 4: Simplify right side
    697,944.71x = 439,445,817,912.27
  5. Step 5: Solve for x
    x = 439,445,817,912.27/697,944.71
  6. Step 6: Final answer
    x = 629,628.41

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Double scale
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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.