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Finding the Fourth Proportional to 540,467.81, 745,845.74 and 295,453.63

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Solution

The fourth proportional to 540,467.81, 745,845.74 and 295,453.63 is: 407,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,467.81 : 745,845.74 = 295,453.63 : x
  2. Step 2: Convert to fraction form
    540,467.81/745,845.74 = 295,453.63/x
  3. Step 3: Cross multiply
    540,467.81x = 745,845.74 × 295,453.63
  4. Step 4: Simplify right side
    540,467.81x = 220,362,831,303.04
  5. Step 5: Solve for x
    x = 220,362,831,303.04/540,467.81
  6. Step 6: Final answer
    x = 407,726.10

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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.