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Finding the Fourth Proportional to 479,148.08, 716,894.76 and 288,908.24

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Solution

The fourth proportional to 479,148.08, 716,894.76 and 288,908.24 is: 432,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,148.08 : 716,894.76 = 288,908.24 : x
  2. Step 2: Convert to fraction form
    479,148.08/716,894.76 = 288,908.24/x
  3. Step 3: Cross multiply
    479,148.08x = 716,894.76 × 288,908.24
  4. Step 4: Simplify right side
    479,148.08x = 207,116,803,376.82
  5. Step 5: Solve for x
    x = 207,116,803,376.82/479,148.08
  6. Step 6: Final answer
    x = 432,260.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.