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Finding the Fourth Proportional to 702,525.90, 969,509.24 and 430,541.25

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Solution

The fourth proportional to 702,525.90, 969,509.24 and 430,541.25 is: 594,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,525.90 : 969,509.24 = 430,541.25 : x
  2. Step 2: Convert to fraction form
    702,525.90/969,509.24 = 430,541.25/x
  3. Step 3: Cross multiply
    702,525.90x = 969,509.24 × 430,541.25
  4. Step 4: Simplify right side
    702,525.90x = 417,413,715,902.31
  5. Step 5: Solve for x
    x = 417,413,715,902.31/702,525.90
  6. Step 6: Final answer
    x = 594,161.32

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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.