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Finding the Fourth Proportional to 423,490.07, 632,188.88 and 362,865.74

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Solution

The fourth proportional to 423,490.07, 632,188.88 and 362,865.74 is: 541,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,490.07 : 632,188.88 = 362,865.74 : x
  2. Step 2: Convert to fraction form
    423,490.07/632,188.88 = 362,865.74/x
  3. Step 3: Cross multiply
    423,490.07x = 632,188.88 × 362,865.74
  4. Step 4: Simplify right side
    423,490.07x = 229,399,680,785.70
  5. Step 5: Solve for x
    x = 229,399,680,785.70/423,490.07
  6. Step 6: Final answer
    x = 541,688.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.