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Finding the Fourth Proportional to 488,510.76, 733,888.80 and 346,708.11

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Solution

The fourth proportional to 488,510.76, 733,888.80 and 346,708.11 is: 520,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,510.76 : 733,888.80 = 346,708.11 : x
  2. Step 2: Convert to fraction form
    488,510.76/733,888.80 = 346,708.11/x
  3. Step 3: Cross multiply
    488,510.76x = 733,888.80 × 346,708.11
  4. Step 4: Simplify right side
    488,510.76x = 254,445,198,798.17
  5. Step 5: Solve for x
    x = 254,445,198,798.17/488,510.76
  6. Step 6: Final answer
    x = 520,858.94

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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.