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Finding the Fourth Proportional to 459,600.36, 634,248.45 and 258,396.36

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Solution

The fourth proportional to 459,600.36, 634,248.45 and 258,396.36 is: 356,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,600.36 : 634,248.45 = 258,396.36 : x
  2. Step 2: Convert to fraction form
    459,600.36/634,248.45 = 258,396.36/x
  3. Step 3: Cross multiply
    459,600.36x = 634,248.45 × 258,396.36
  4. Step 4: Simplify right side
    459,600.36x = 163,887,490,815.64
  5. Step 5: Solve for x
    x = 163,887,490,815.64/459,600.36
  6. Step 6: Final answer
    x = 356,586.95

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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.