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Finding the Fourth Proportional to 442,266.96, 610,328.58 and 251,280.60

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Solution

The fourth proportional to 442,266.96, 610,328.58 and 251,280.60 is: 346,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,266.96 : 610,328.58 = 251,280.60 : x
  2. Step 2: Convert to fraction form
    442,266.96/610,328.58 = 251,280.60/x
  3. Step 3: Cross multiply
    442,266.96x = 610,328.58 × 251,280.60
  4. Step 4: Simplify right side
    442,266.96x = 153,363,731,779.55
  5. Step 5: Solve for x
    x = 153,363,731,779.55/442,266.96
  6. Step 6: Final answer
    x = 346,767.33

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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.