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Finding the Fourth Proportional to 614,916.80, 848,709.60 and 360,486.08

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Solution

The fourth proportional to 614,916.80, 848,709.60 and 360,486.08 is: 497,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,916.80 : 848,709.60 = 360,486.08 : x
  2. Step 2: Convert to fraction form
    614,916.80/848,709.60 = 360,486.08/x
  3. Step 3: Cross multiply
    614,916.80x = 848,709.60 × 360,486.08
  4. Step 4: Simplify right side
    614,916.80x = 305,947,996,762.37
  5. Step 5: Solve for x
    x = 305,947,996,762.37/614,916.80
  6. Step 6: Final answer
    x = 497,543.73

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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.