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Finding the Fourth Proportional to 407,584.90, 610,210.95 and 360,928.90

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Solution

The fourth proportional to 407,584.90, 610,210.95 and 360,928.90 is: 540,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,584.90 : 610,210.95 = 360,928.90 : x
  2. Step 2: Convert to fraction form
    407,584.90/610,210.95 = 360,928.90/x
  3. Step 3: Cross multiply
    407,584.90x = 610,210.95 × 360,928.90
  4. Step 4: Simplify right side
    407,584.90x = 220,242,766,951.46
  5. Step 5: Solve for x
    x = 220,242,766,951.46/407,584.90
  6. Step 6: Final answer
    x = 540,360.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.