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Finding the Fourth Proportional to 649,416.18, 896,222 and 362,936.25

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Solution

The fourth proportional to 649,416.18, 896,222 and 362,936.25 is: 500,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,416.18 : 896,222 = 362,936.25 : x
  2. Step 2: Convert to fraction form
    649,416.18/896,222 = 362,936.25/x
  3. Step 3: Cross multiply
    649,416.18x = 896,222 × 362,936.25
  4. Step 4: Simplify right side
    649,416.18x = 325,271,454,088.06
  5. Step 5: Solve for x
    x = 325,271,454,088.06/649,416.18
  6. Step 6: Final answer
    x = 500,867.50

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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.