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Finding the Fourth Proportional to 459,490.84, 634,004.34 and 268,467.32

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Solution

The fourth proportional to 459,490.84, 634,004.34 and 268,467.32 is: 370,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,490.84 : 634,004.34 = 268,467.32 : x
  2. Step 2: Convert to fraction form
    459,490.84/634,004.34 = 268,467.32/x
  3. Step 3: Cross multiply
    459,490.84x = 634,004.34 × 268,467.32
  4. Step 4: Simplify right side
    459,490.84x = 170,209,446,028.17
  5. Step 5: Solve for x
    x = 170,209,446,028.17/459,490.84
  6. Step 6: Final answer
    x = 370,430.55

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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.