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Finding the Fourth Proportional to 442,339.46, 610,374.93 and 251,299.34

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Solution

The fourth proportional to 442,339.46, 610,374.93 and 251,299.34 is: 346,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,339.46 : 610,374.93 = 251,299.34 : x
  2. Step 2: Convert to fraction form
    442,339.46/610,374.93 = 251,299.34/x
  3. Step 3: Cross multiply
    442,339.46x = 610,374.93 × 251,299.34
  4. Step 4: Simplify right side
    442,339.46x = 153,386,817,061.55
  5. Step 5: Solve for x
    x = 153,386,817,061.55/442,339.46
  6. Step 6: Final answer
    x = 346,762.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.