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Finding the Fourth Proportional to 614,865.60, 848,579.76 and 360,430.56

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Solution

The fourth proportional to 614,865.60, 848,579.76 and 360,430.56 is: 497,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,865.60 : 848,579.76 = 360,430.56 : x
  2. Step 2: Convert to fraction form
    614,865.60/848,579.76 = 360,430.56/x
  3. Step 3: Cross multiply
    614,865.60x = 848,579.76 × 360,430.56
  4. Step 4: Simplify right side
    614,865.60x = 305,854,078,101.47
  5. Step 5: Solve for x
    x = 305,854,078,101.47/614,865.60
  6. Step 6: Final answer
    x = 497,432.41

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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.