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Finding the Fourth Proportional to 295,323.70, 407,405.01 and 214,626.10

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Solution

The fourth proportional to 295,323.70, 407,405.01 and 214,626.10 is: 296,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,323.70 : 407,405.01 = 214,626.10 : x
  2. Step 2: Convert to fraction form
    295,323.70/407,405.01 = 214,626.10/x
  3. Step 3: Cross multiply
    295,323.70x = 407,405.01 × 214,626.10
  4. Step 4: Simplify right side
    295,323.70x = 87,439,748,416.76
  5. Step 5: Solve for x
    x = 87,439,748,416.76/295,323.70
  6. Step 6: Final answer
    x = 296,081.04

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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.