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Finding the Fourth Proportional to 418,498.94, 577,573.68 and 237,191.40

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Solution

The fourth proportional to 418,498.94, 577,573.68 and 237,191.40 is: 327,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,498.94 : 577,573.68 = 237,191.40 : x
  2. Step 2: Convert to fraction form
    418,498.94/577,573.68 = 237,191.40/x
  3. Step 3: Cross multiply
    418,498.94x = 577,573.68 × 237,191.40
  4. Step 4: Simplify right side
    418,498.94x = 136,995,509,762.35
  5. Step 5: Solve for x
    x = 136,995,509,762.35/418,498.94
  6. Step 6: Final answer
    x = 327,349.72

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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.