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Finding the Fourth Proportional to 614,901, 848,563.38 and 346,629

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Solution

The fourth proportional to 614,901, 848,563.38 and 346,629 is: 478,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,901 : 848,563.38 = 346,629 : x
  2. Step 2: Convert to fraction form
    614,901/848,563.38 = 346,629/x
  3. Step 3: Cross multiply
    614,901x = 848,563.38 × 346,629
  4. Step 4: Simplify right side
    614,901x = 294,136,675,846.02
  5. Step 5: Solve for x
    x = 294,136,675,846.02/614,901
  6. Step 6: Final answer
    x = 478,348.02

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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.