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Finding the Fourth Proportional to 614,871.60, 848,588.04 and 360,436.56

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Solution

The fourth proportional to 614,871.60, 848,588.04 and 360,436.56 is: 497,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,871.60 : 848,588.04 = 360,436.56 : x
  2. Step 2: Convert to fraction form
    614,871.60/848,588.04 = 360,436.56/x
  3. Step 3: Cross multiply
    614,871.60x = 848,588.04 × 360,436.56
  4. Step 4: Simplify right side
    614,871.60x = 305,862,153,994.74
  5. Step 5: Solve for x
    x = 305,862,153,994.74/614,871.60
  6. Step 6: Final answer
    x = 497,440.69

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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.