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Finding the Fourth Proportional to 697,949.86, 962,925.50 and 456,373.84

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Solution

The fourth proportional to 697,949.86, 962,925.50 and 456,373.84 is: 629,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,949.86 : 962,925.50 = 456,373.84 : x
  2. Step 2: Convert to fraction form
    697,949.86/962,925.50 = 456,373.84/x
  3. Step 3: Cross multiply
    697,949.86x = 962,925.50 × 456,373.84
  4. Step 4: Simplify right side
    697,949.86x = 439,454,008,068.92
  5. Step 5: Solve for x
    x = 439,454,008,068.92/697,949.86
  6. Step 6: Final answer
    x = 629,635.50

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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.