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Finding the Fourth Proportional to 425,085.60, 586,599.18 and 243,667.44

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Solution

The fourth proportional to 425,085.60, 586,599.18 and 243,667.44 is: 336,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,085.60 : 586,599.18 = 243,667.44 : x
  2. Step 2: Convert to fraction form
    425,085.60/586,599.18 = 243,667.44/x
  3. Step 3: Cross multiply
    425,085.60x = 586,599.18 × 243,667.44
  4. Step 4: Simplify right side
    425,085.60x = 142,935,120,496.70
  5. Step 5: Solve for x
    x = 142,935,120,496.70/425,085.60
  6. Step 6: Final answer
    x = 336,250.21

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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.