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Finding the Fourth Proportional to 429,408.90, 602,001.90 and 429,408.90

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Solution

The fourth proportional to 429,408.90, 602,001.90 and 429,408.90 is: 602,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,408.90 : 602,001.90 = 429,408.90 : x
  2. Step 2: Convert to fraction form
    429,408.90/602,001.90 = 429,408.90/x
  3. Step 3: Cross multiply
    429,408.90x = 602,001.90 × 429,408.90
  4. Step 4: Simplify right side
    429,408.90x = 258,504,973,676.91
  5. Step 5: Solve for x
    x = 258,504,973,676.91/429,408.90
  6. Step 6: Final answer
    x = 602,001.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.