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Finding the Fourth Proportional to 292,852.80, 439,279.20 and 248,675.40

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Solution

The fourth proportional to 292,852.80, 439,279.20 and 248,675.40 is: 373,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,852.80 : 439,279.20 = 248,675.40 : x
  2. Step 2: Convert to fraction form
    292,852.80/439,279.20 = 248,675.40/x
  3. Step 3: Cross multiply
    292,852.80x = 439,279.20 × 248,675.40
  4. Step 4: Simplify right side
    292,852.80x = 109,237,930,771.68
  5. Step 5: Solve for x
    x = 109,237,930,771.68/292,852.80
  6. Step 6: Final answer
    x = 373,013.10

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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.