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Finding the Fourth Proportional to 418,291.53, 577,240.77 and 237,037.98

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Solution

The fourth proportional to 418,291.53, 577,240.77 and 237,037.98 is: 327,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,291.53 : 577,240.77 = 237,037.98 : x
  2. Step 2: Convert to fraction form
    418,291.53/577,240.77 = 237,037.98/x
  3. Step 3: Cross multiply
    418,291.53x = 577,240.77 × 237,037.98
  4. Step 4: Simplify right side
    418,291.53x = 136,827,986,094.45
  5. Step 5: Solve for x
    x = 136,827,986,094.45/418,291.53
  6. Step 6: Final answer
    x = 327,111.54

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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.