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Finding the Fourth Proportional to 433,153, 597,720.78 and 251,852.06

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Solution

The fourth proportional to 433,153, 597,720.78 and 251,852.06 is: 347,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,153 : 597,720.78 = 251,852.06 : x
  2. Step 2: Convert to fraction form
    433,153/597,720.78 = 251,852.06/x
  3. Step 3: Cross multiply
    433,153x = 597,720.78 × 251,852.06
  4. Step 4: Simplify right side
    433,153x = 150,537,209,747.81
  5. Step 5: Solve for x
    x = 150,537,209,747.81/433,153
  6. Step 6: Final answer
    x = 347,538.19

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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.