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Finding the Fourth Proportional to 423,519.57, 634,889.48 and 183,482.64

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Solution

The fourth proportional to 423,519.57, 634,889.48 and 183,482.64 is: 275,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,519.57 : 634,889.48 = 183,482.64 : x
  2. Step 2: Convert to fraction form
    423,519.57/634,889.48 = 183,482.64/x
  3. Step 3: Cross multiply
    423,519.57x = 634,889.48 × 183,482.64
  4. Step 4: Simplify right side
    423,519.57x = 116,491,196,981.21
  5. Step 5: Solve for x
    x = 116,491,196,981.21/423,519.57
  6. Step 6: Final answer
    x = 275,055.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.