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Finding the Fourth Proportional to 574,491.32, 792,783.62 and 316,366.23

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Solution

The fourth proportional to 574,491.32, 792,783.62 and 316,366.23 is: 436,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,491.32 : 792,783.62 = 316,366.23 : x
  2. Step 2: Convert to fraction form
    574,491.32/792,783.62 = 316,366.23/x
  3. Step 3: Cross multiply
    574,491.32x = 792,783.62 × 316,366.23
  4. Step 4: Simplify right side
    574,491.32x = 250,809,963,483.32
  5. Step 5: Solve for x
    x = 250,809,963,483.32/574,491.32
  6. Step 6: Final answer
    x = 436,577.47

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Double scale
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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.