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Finding the Fourth Proportional to 637,258.17, 879,313.37 and 365,276.01

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Solution

The fourth proportional to 637,258.17, 879,313.37 and 365,276.01 is: 504,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,258.17 : 879,313.37 = 365,276.01 : x
  2. Step 2: Convert to fraction form
    637,258.17/879,313.37 = 365,276.01/x
  3. Step 3: Cross multiply
    637,258.17x = 879,313.37 × 365,276.01
  4. Step 4: Simplify right side
    637,258.17x = 321,192,077,506.87
  5. Step 5: Solve for x
    x = 321,192,077,506.87/637,258.17
  6. Step 6: Final answer
    x = 504,021.91

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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.