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Finding the Fourth Proportional to 578,369.48, 798,153.90 and 336,792.92

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Solution

The fourth proportional to 578,369.48, 798,153.90 and 336,792.92 is: 464,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,369.48 : 798,153.90 = 336,792.92 : x
  2. Step 2: Convert to fraction form
    578,369.48/798,153.90 = 336,792.92/x
  3. Step 3: Cross multiply
    578,369.48x = 798,153.90 × 336,792.92
  4. Step 4: Simplify right side
    578,369.48x = 268,812,582,590.39
  5. Step 5: Solve for x
    x = 268,812,582,590.39/578,369.48
  6. Step 6: Final answer
    x = 464,776.57

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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.