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Finding the Fourth Proportional to 510,184.60, 765,289.52 and 243,973.24

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Solution

The fourth proportional to 510,184.60, 765,289.52 and 243,973.24 is: 365,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,184.60 : 765,289.52 = 243,973.24 : x
  2. Step 2: Convert to fraction form
    510,184.60/765,289.52 = 243,973.24/x
  3. Step 3: Cross multiply
    510,184.60x = 765,289.52 × 243,973.24
  4. Step 4: Simplify right side
    510,184.60x = 186,710,163,732.45
  5. Step 5: Solve for x
    x = 186,710,163,732.45/510,184.60
  6. Step 6: Final answer
    x = 365,965.89

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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.