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Finding the Fourth Proportional to 307,533.32, 424,018.94 and 252,894.54

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Solution

The fourth proportional to 307,533.32, 424,018.94 and 252,894.54 is: 348,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,533.32 : 424,018.94 = 252,894.54 : x
  2. Step 2: Convert to fraction form
    307,533.32/424,018.94 = 252,894.54/x
  3. Step 3: Cross multiply
    307,533.32x = 424,018.94 × 252,894.54
  4. Step 4: Simplify right side
    307,533.32x = 107,232,075,108.19
  5. Step 5: Solve for x
    x = 107,232,075,108.19/307,533.32
  6. Step 6: Final answer
    x = 348,684.41

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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.