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Finding the Fourth Proportional to 416,813.76, 574,885.59 and 358,769.27

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Solution

The fourth proportional to 416,813.76, 574,885.59 and 358,769.27 is: 494,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,813.76 : 574,885.59 = 358,769.27 : x
  2. Step 2: Convert to fraction form
    416,813.76/574,885.59 = 358,769.27/x
  3. Step 3: Cross multiply
    416,813.76x = 574,885.59 × 358,769.27
  4. Step 4: Simplify right side
    416,813.76x = 206,251,283,457.82
  5. Step 5: Solve for x
    x = 206,251,283,457.82/416,813.76
  6. Step 6: Final answer
    x = 494,828.40

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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.