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Finding the Fourth Proportional to 433,463.05, 653,443.36 and 404,562.25

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Solution

The fourth proportional to 433,463.05, 653,443.36 and 404,562.25 is: 609,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,463.05 : 653,443.36 = 404,562.25 : x
  2. Step 2: Convert to fraction form
    433,463.05/653,443.36 = 404,562.25/x
  3. Step 3: Cross multiply
    433,463.05x = 653,443.36 × 404,562.25
  4. Step 4: Simplify right side
    433,463.05x = 264,358,515,969.16
  5. Step 5: Solve for x
    x = 264,358,515,969.16/433,463.05
  6. Step 6: Final answer
    x = 609,875.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.