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Finding the Fourth Proportional to 370,276.06, 510,598.74 and 316,738.30

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Solution

The fourth proportional to 370,276.06, 510,598.74 and 316,738.30 is: 436,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,276.06 : 510,598.74 = 316,738.30 : x
  2. Step 2: Convert to fraction form
    370,276.06/510,598.74 = 316,738.30/x
  3. Step 3: Cross multiply
    370,276.06x = 510,598.74 × 316,738.30
  4. Step 4: Simplify right side
    370,276.06x = 161,726,176,889.74
  5. Step 5: Solve for x
    x = 161,726,176,889.74/370,276.06
  6. Step 6: Final answer
    x = 436,771.90

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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.