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Finding the Fourth Proportional to 676,538.88, 933,624.76 and 370,608.55

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Solution

The fourth proportional to 676,538.88, 933,624.76 and 370,608.55 is: 511,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,538.88 : 933,624.76 = 370,608.55 : x
  2. Step 2: Convert to fraction form
    676,538.88/933,624.76 = 370,608.55/x
  3. Step 3: Cross multiply
    676,538.88x = 933,624.76 × 370,608.55
  4. Step 4: Simplify right side
    676,538.88x = 346,009,313,879.57
  5. Step 5: Solve for x
    x = 346,009,313,879.57/676,538.88
  6. Step 6: Final answer
    x = 511,440.40

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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.