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Finding the Fourth Proportional to 346,504.70, 520,085.10 and 296,641.10

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Solution

The fourth proportional to 346,504.70, 520,085.10 and 296,641.10 is: 445,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,504.70 : 520,085.10 = 296,641.10 : x
  2. Step 2: Convert to fraction form
    346,504.70/520,085.10 = 296,641.10/x
  3. Step 3: Cross multiply
    346,504.70x = 520,085.10 × 296,641.10
  4. Step 4: Simplify right side
    346,504.70x = 154,278,616,157.61
  5. Step 5: Solve for x
    x = 154,278,616,157.61/346,504.70
  6. Step 6: Final answer
    x = 445,242.49

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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.