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Finding the Fourth Proportional to 937,283.65, 1,404,978.74 and 369,063.47

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Solution

The fourth proportional to 937,283.65, 1,404,978.74 and 369,063.47 is: 553,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,283.65 : 1,404,978.74 = 369,063.47 : x
  2. Step 2: Convert to fraction form
    937,283.65/1,404,978.74 = 369,063.47/x
  3. Step 3: Cross multiply
    937,283.65x = 1,404,978.74 × 369,063.47
  4. Step 4: Simplify right side
    937,283.65x = 518,526,329,060.63
  5. Step 5: Solve for x
    x = 518,526,329,060.63/937,283.65
  6. Step 6: Final answer
    x = 553,222.42

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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.