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Finding the Fourth Proportional to 651,630.60, 976,985.10 and 296,814.60

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Solution

The fourth proportional to 651,630.60, 976,985.10 and 296,814.60 is: 445,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,630.60 : 976,985.10 = 296,814.60 : x
  2. Step 2: Convert to fraction form
    651,630.60/976,985.10 = 296,814.60/x
  3. Step 3: Cross multiply
    651,630.60x = 976,985.10 × 296,814.60
  4. Step 4: Simplify right side
    651,630.60x = 289,983,441,662.46
  5. Step 5: Solve for x
    x = 289,983,441,662.46/651,630.60
  6. Step 6: Final answer
    x = 445,012.01

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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.