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Finding the Fourth Proportional to 437,684.72, 604,155.58 and 256,455.32

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Solution

The fourth proportional to 437,684.72, 604,155.58 and 256,455.32 is: 353,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,684.72 : 604,155.58 = 256,455.32 : x
  2. Step 2: Convert to fraction form
    437,684.72/604,155.58 = 256,455.32/x
  3. Step 3: Cross multiply
    437,684.72x = 604,155.58 × 256,455.32
  4. Step 4: Simplify right side
    437,684.72x = 154,938,908,936.77
  5. Step 5: Solve for x
    x = 154,938,908,936.77/437,684.72
  6. Step 6: Final answer
    x = 353,996.62

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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.