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Finding the Fourth Proportional to 653,410.03, 980,112.31 and 254,329.11

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Solution

The fourth proportional to 653,410.03, 980,112.31 and 254,329.11 is: 381,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,410.03 : 980,112.31 = 254,329.11 : x
  2. Step 2: Convert to fraction form
    653,410.03/980,112.31 = 254,329.11/x
  3. Step 3: Cross multiply
    653,410.03x = 980,112.31 × 254,329.11
  4. Step 4: Simplify right side
    653,410.03x = 249,271,091,502.34
  5. Step 5: Solve for x
    x = 249,271,091,502.34/653,410.03
  6. Step 6: Final answer
    x = 381,492.60

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1.5x scale

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.