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Finding the Fourth Proportional to 6,366,936.40, 9,529,409.40 and 4,477,368.40

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Solution

The fourth proportional to 6,366,936.40, 9,529,409.40 and 4,477,368.40 is: 6,701,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366,936.40 : 9,529,409.40 = 4,477,368.40 : x
  2. Step 2: Convert to fraction form
    6,366,936.40/9,529,409.40 = 4,477,368.40/x
  3. Step 3: Cross multiply
    6,366,936.40x = 9,529,409.40 × 4,477,368.40
  4. Step 4: Simplify right side
    6,366,936.40x = 42,666,676,518,222.97
  5. Step 5: Solve for x
    x = 42,666,676,518,222.97/6,366,936.40
  6. Step 6: Final answer
    x = 6,701,288.32

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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.