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Finding the Fourth Proportional to 291,716.35, 437,574.48 and 70,100.35

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Solution

The fourth proportional to 291,716.35, 437,574.48 and 70,100.35 is: 105,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,716.35 : 437,574.48 = 70,100.35 : x
  2. Step 2: Convert to fraction form
    291,716.35/437,574.48 = 70,100.35/x
  3. Step 3: Cross multiply
    291,716.35x = 437,574.48 × 70,100.35
  4. Step 4: Simplify right side
    291,716.35x = 30,674,124,199.07
  5. Step 5: Solve for x
    x = 30,674,124,199.07/291,716.35
  6. Step 6: Final answer
    x = 105,150.51

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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.