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Finding the Fourth Proportional to 634,416.60, 875,267.82 and 362,288.28

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Solution

The fourth proportional to 634,416.60, 875,267.82 and 362,288.28 is: 499,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,416.60 : 875,267.82 = 362,288.28 : x
  2. Step 2: Convert to fraction form
    634,416.60/875,267.82 = 362,288.28/x
  3. Step 3: Cross multiply
    634,416.60x = 875,267.82 × 362,288.28
  4. Step 4: Simplify right side
    634,416.60x = 317,099,273,047.15
  5. Step 5: Solve for x
    x = 317,099,273,047.15/634,416.60
  6. Step 6: Final answer
    x = 499,828.15

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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.