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Finding the Fourth Proportional to 656,516.96, 906,740.75 and 441,283.36

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Solution

The fourth proportional to 656,516.96, 906,740.75 and 441,283.36 is: 609,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,516.96 : 906,740.75 = 441,283.36 : x
  2. Step 2: Convert to fraction form
    656,516.96/906,740.75 = 441,283.36/x
  3. Step 3: Cross multiply
    656,516.96x = 906,740.75 × 441,283.36
  4. Step 4: Simplify right side
    656,516.96x = 400,129,602,863.20
  5. Step 5: Solve for x
    x = 400,129,602,863.20/656,516.96
  6. Step 6: Final answer
    x = 609,473.36

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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.