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Finding the Fourth Proportional to 583,412.32, 805,182.32 and 341,787.09

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Solution

The fourth proportional to 583,412.32, 805,182.32 and 341,787.09 is: 471,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,412.32 : 805,182.32 = 341,787.09 : x
  2. Step 2: Convert to fraction form
    583,412.32/805,182.32 = 341,787.09/x
  3. Step 3: Cross multiply
    583,412.32x = 805,182.32 × 341,787.09
  4. Step 4: Simplify right side
    583,412.32x = 275,200,925,946.15
  5. Step 5: Solve for x
    x = 275,200,925,946.15/583,412.32
  6. Step 6: Final answer
    x = 471,709.14

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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.