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Finding the Fourth Proportional to 601,675.92, 830,395.68 and 347,021.52

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Solution

The fourth proportional to 601,675.92, 830,395.68 and 347,021.52 is: 478,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,675.92 : 830,395.68 = 347,021.52 : x
  2. Step 2: Convert to fraction form
    601,675.92/830,395.68 = 347,021.52/x
  3. Step 3: Cross multiply
    601,675.92x = 830,395.68 × 347,021.52
  4. Step 4: Simplify right side
    601,675.92x = 288,165,171,075.03
  5. Step 5: Solve for x
    x = 288,165,171,075.03/601,675.92
  6. Step 6: Final answer
    x = 478,937.52

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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.