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Finding the Fourth Proportional to 658,130.37, 908,168.12 and 363,767.68

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Solution

The fourth proportional to 658,130.37, 908,168.12 and 363,767.68 is: 501,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,130.37 : 908,168.12 = 363,767.68 : x
  2. Step 2: Convert to fraction form
    658,130.37/908,168.12 = 363,767.68/x
  3. Step 3: Cross multiply
    658,130.37x = 908,168.12 × 363,767.68
  4. Step 4: Simplify right side
    658,130.37x = 330,362,210,062.36
  5. Step 5: Solve for x
    x = 330,362,210,062.36/658,130.37
  6. Step 6: Final answer
    x = 501,970.77

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Similar ratio
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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.