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Finding the Fourth Proportional to 370,069.79, 510,708.69 and 226,802.15

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Solution

The fourth proportional to 370,069.79, 510,708.69 and 226,802.15 is: 312,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,069.79 : 510,708.69 = 226,802.15 : x
  2. Step 2: Convert to fraction form
    370,069.79/510,708.69 = 226,802.15/x
  3. Step 3: Cross multiply
    370,069.79x = 510,708.69 × 226,802.15
  4. Step 4: Simplify right side
    370,069.79x = 115,829,828,915.68
  5. Step 5: Solve for x
    x = 115,829,828,915.68/370,069.79
  6. Step 6: Final answer
    x = 312,994.55

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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.