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Finding the Fourth Proportional to 457,017.88, 630,344.86 and 295,748.52

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Solution

The fourth proportional to 457,017.88, 630,344.86 and 295,748.52 is: 407,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,017.88 : 630,344.86 = 295,748.52 : x
  2. Step 2: Convert to fraction form
    457,017.88/630,344.86 = 295,748.52/x
  3. Step 3: Cross multiply
    457,017.88x = 630,344.86 × 295,748.52
  4. Step 4: Simplify right side
    457,017.88x = 186,423,559,434.61
  5. Step 5: Solve for x
    x = 186,423,559,434.61/457,017.88
  6. Step 6: Final answer
    x = 407,913.05

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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.