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Finding the Fourth Proportional to 360,475.40, 540,713.10 and 173,851.40

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Solution

The fourth proportional to 360,475.40, 540,713.10 and 173,851.40 is: 260,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,475.40 : 540,713.10 = 173,851.40 : x
  2. Step 2: Convert to fraction form
    360,475.40/540,713.10 = 173,851.40/x
  3. Step 3: Cross multiply
    360,475.40x = 540,713.10 × 173,851.40
  4. Step 4: Simplify right side
    360,475.40x = 94,003,729,433.34
  5. Step 5: Solve for x
    x = 94,003,729,433.34/360,475.40
  6. Step 6: Final answer
    x = 260,777.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.