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Finding the Fourth Proportional to 343,333.40, 514,854.30 and 165,894.80

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Solution

The fourth proportional to 343,333.40, 514,854.30 and 165,894.80 is: 248,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,333.40 : 514,854.30 = 165,894.80 : x
  2. Step 2: Convert to fraction form
    343,333.40/514,854.30 = 165,894.80/x
  3. Step 3: Cross multiply
    343,333.40x = 514,854.30 × 165,894.80
  4. Step 4: Simplify right side
    343,333.40x = 85,411,651,127.64
  5. Step 5: Solve for x
    x = 85,411,651,127.64/343,333.40
  6. Step 6: Final answer
    x = 248,771.75

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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.