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Finding the Fourth Proportional to 573,152.36, 790,954.89 and 358,416.92

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Solution

The fourth proportional to 573,152.36, 790,954.89 and 358,416.92 is: 494,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,152.36 : 790,954.89 = 358,416.92 : x
  2. Step 2: Convert to fraction form
    573,152.36/790,954.89 = 358,416.92/x
  3. Step 3: Cross multiply
    573,152.36x = 790,954.89 × 358,416.92
  4. Step 4: Simplify right side
    573,152.36x = 283,491,615,532.74
  5. Step 5: Solve for x
    x = 283,491,615,532.74/573,152.36
  6. Step 6: Final answer
    x = 494,618.25

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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.