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Finding the Fourth Proportional to 501,956.48, 692,697.93 and 287,096.24

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Solution

The fourth proportional to 501,956.48, 692,697.93 and 287,096.24 is: 396,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,956.48 : 692,697.93 = 287,096.24 : x
  2. Step 2: Convert to fraction form
    501,956.48/692,697.93 = 287,096.24/x
  3. Step 3: Cross multiply
    501,956.48x = 692,697.93 × 287,096.24
  4. Step 4: Simplify right side
    501,956.48x = 198,870,971,158.78
  5. Step 5: Solve for x
    x = 198,870,971,158.78/501,956.48
  6. Step 6: Final answer
    x = 396,191.66

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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.