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Finding the Fourth Proportional to 370,342.70, 555,514.05 and 277,030.70

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Solution

The fourth proportional to 370,342.70, 555,514.05 and 277,030.70 is: 415,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,342.70 : 555,514.05 = 277,030.70 : x
  2. Step 2: Convert to fraction form
    370,342.70/555,514.05 = 277,030.70/x
  3. Step 3: Cross multiply
    370,342.70x = 555,514.05 × 277,030.70
  4. Step 4: Simplify right side
    370,342.70x = 153,894,446,131.34
  5. Step 5: Solve for x
    x = 153,894,446,131.34/370,342.70
  6. Step 6: Final answer
    x = 415,546.05

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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.