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Finding the Fourth Proportional to 619,927.29, 929,002.91 and 353,136.92

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Solution

The fourth proportional to 619,927.29, 929,002.91 and 353,136.92 is: 529,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,927.29 : 929,002.91 = 353,136.92 : x
  2. Step 2: Convert to fraction form
    619,927.29/929,002.91 = 353,136.92/x
  3. Step 3: Cross multiply
    619,927.29x = 929,002.91 × 353,136.92
  4. Step 4: Simplify right side
    619,927.29x = 328,065,219,897.74
  5. Step 5: Solve for x
    x = 328,065,219,897.74/619,927.29
  6. Step 6: Final answer
    x = 529,199.51

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1.5x scale

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.