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Finding the Fourth Proportional to 703,248.90, 970,482.60 and 380,960.33

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Solution

The fourth proportional to 703,248.90, 970,482.60 and 380,960.33 is: 525,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,248.90 : 970,482.60 = 380,960.33 : x
  2. Step 2: Convert to fraction form
    703,248.90/970,482.60 = 380,960.33/x
  3. Step 3: Cross multiply
    703,248.90x = 970,482.60 × 380,960.33
  4. Step 4: Simplify right side
    703,248.90x = 369,715,366,702.85
  5. Step 5: Solve for x
    x = 369,715,366,702.85/703,248.90
  6. Step 6: Final answer
    x = 525,724.77

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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.