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Finding the Fourth Proportional to 370,055.76, 510,686.28 and 226,894.74

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Solution

The fourth proportional to 370,055.76, 510,686.28 and 226,894.74 is: 313,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,055.76 : 510,686.28 = 226,894.74 : x
  2. Step 2: Convert to fraction form
    370,055.76/510,686.28 = 226,894.74/x
  3. Step 3: Cross multiply
    370,055.76x = 510,686.28 × 226,894.74
  4. Step 4: Simplify right side
    370,055.76x = 115,872,030,722.17
  5. Step 5: Solve for x
    x = 115,872,030,722.17/370,055.76
  6. Step 6: Final answer
    x = 313,120.46

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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.