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Finding the Fourth Proportional to 293,466.10, 439,810.35 and 260,029.30

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Solution

The fourth proportional to 293,466.10, 439,810.35 and 260,029.30 is: 389,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,466.10 : 439,810.35 = 260,029.30 : x
  2. Step 2: Convert to fraction form
    293,466.10/439,810.35 = 260,029.30/x
  3. Step 3: Cross multiply
    293,466.10x = 439,810.35 × 260,029.30
  4. Step 4: Simplify right side
    293,466.10x = 114,363,577,443.26
  5. Step 5: Solve for x
    x = 114,363,577,443.26/293,466.10
  6. Step 6: Final answer
    x = 389,699.45

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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.