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Finding the Fourth Proportional to 373,574.16, 515,642.76 and 260,433.36

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Solution

The fourth proportional to 373,574.16, 515,642.76 and 260,433.36 is: 359,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,574.16 : 515,642.76 = 260,433.36 : x
  2. Step 2: Convert to fraction form
    373,574.16/515,642.76 = 260,433.36/x
  3. Step 3: Cross multiply
    373,574.16x = 515,642.76 × 260,433.36
  4. Step 4: Simplify right side
    373,574.16x = 134,290,576,546.47
  5. Step 5: Solve for x
    x = 134,290,576,546.47/373,574.16
  6. Step 6: Final answer
    x = 359,475.01

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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.