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Finding the Fourth Proportional to 310,984.25, 429,193.08 and 175,051.26

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Solution

The fourth proportional to 310,984.25, 429,193.08 and 175,051.26 is: 241,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,984.25 : 429,193.08 = 175,051.26 : x
  2. Step 2: Convert to fraction form
    310,984.25/429,193.08 = 175,051.26/x
  3. Step 3: Cross multiply
    310,984.25x = 429,193.08 × 175,051.26
  4. Step 4: Simplify right side
    310,984.25x = 75,130,789,437.28
  5. Step 5: Solve for x
    x = 75,130,789,437.28/310,984.25
  6. Step 6: Final answer
    x = 241,590.34

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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.