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Finding the Fourth Proportional to 737,814.76, 1,018,173.54 and 415,525.48

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Solution

The fourth proportional to 737,814.76, 1,018,173.54 and 415,525.48 is: 573,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,814.76 : 1,018,173.54 = 415,525.48 : x
  2. Step 2: Convert to fraction form
    737,814.76/1,018,173.54 = 415,525.48/x
  3. Step 3: Cross multiply
    737,814.76x = 1,018,173.54 × 415,525.48
  4. Step 4: Simplify right side
    737,814.76x = 423,077,048,931.80
  5. Step 5: Solve for x
    x = 423,077,048,931.80/737,814.76
  6. Step 6: Final answer
    x = 573,419.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.