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Finding the Fourth Proportional to 459,925.58, 634,718.19 and 255,989.54

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Solution

The fourth proportional to 459,925.58, 634,718.19 and 255,989.54 is: 353,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,925.58 : 634,718.19 = 255,989.54 : x
  2. Step 2: Convert to fraction form
    459,925.58/634,718.19 = 255,989.54/x
  3. Step 3: Cross multiply
    459,925.58x = 634,718.19 × 255,989.54
  4. Step 4: Simplify right side
    459,925.58x = 162,481,214,314.14
  5. Step 5: Solve for x
    x = 162,481,214,314.14/459,925.58
  6. Step 6: Final answer
    x = 353,277.19

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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.