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Finding the Fourth Proportional to 619,953.04, 929,041.48 and 353,162.71

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Solution

The fourth proportional to 619,953.04, 929,041.48 and 353,162.71 is: 529,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,953.04 : 929,041.48 = 353,162.71 : x
  2. Step 2: Convert to fraction form
    619,953.04/929,041.48 = 353,162.71/x
  3. Step 3: Cross multiply
    619,953.04x = 929,041.48 × 353,162.71
  4. Step 4: Simplify right side
    619,953.04x = 328,102,806,779.21
  5. Step 5: Solve for x
    x = 328,102,806,779.21/619,953.04
  6. Step 6: Final answer
    x = 529,238.16

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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.