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Finding the Fourth Proportional to 309,600.90, 464,401.35 and 309,600.90

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Solution

The fourth proportional to 309,600.90, 464,401.35 and 309,600.90 is: 464,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,600.90 : 464,401.35 = 309,600.90 : x
  2. Step 2: Convert to fraction form
    309,600.90/464,401.35 = 309,600.90/x
  3. Step 3: Cross multiply
    309,600.90x = 464,401.35 × 309,600.90
  4. Step 4: Simplify right side
    309,600.90x = 143,779,075,921.22
  5. Step 5: Solve for x
    x = 143,779,075,921.22/309,600.90
  6. Step 6: Final answer
    x = 464,401.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.