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Finding the Fourth Proportional to 459,656.24, 634,319.52 and 258,452.24

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Solution

The fourth proportional to 459,656.24, 634,319.52 and 258,452.24 is: 356,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,656.24 : 634,319.52 = 258,452.24 : x
  2. Step 2: Convert to fraction form
    459,656.24/634,319.52 = 258,452.24/x
  3. Step 3: Cross multiply
    459,656.24x = 634,319.52 × 258,452.24
  4. Step 4: Simplify right side
    459,656.24x = 163,941,300,819.73
  5. Step 5: Solve for x
    x = 163,941,300,819.73/459,656.24
  6. Step 6: Final answer
    x = 356,660.67

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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.