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Finding the Fourth Proportional to 440,317.91, 607,824.72 and 297,271.71

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Solution

The fourth proportional to 440,317.91, 607,824.72 and 297,271.71 is: 410,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,317.91 : 607,824.72 = 297,271.71 : x
  2. Step 2: Convert to fraction form
    440,317.91/607,824.72 = 297,271.71/x
  3. Step 3: Cross multiply
    440,317.91x = 607,824.72 × 297,271.71
  4. Step 4: Simplify right side
    440,317.91x = 180,689,093,894.67
  5. Step 5: Solve for x
    x = 180,689,093,894.67/440,317.91
  6. Step 6: Final answer
    x = 410,360.54

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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.