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Finding the Fourth Proportional to 651,626.60, 976,979.10 and 296,810.60

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Solution

The fourth proportional to 651,626.60, 976,979.10 and 296,810.60 is: 445,006.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,626.60 : 976,979.10 = 296,810.60 : x
  2. Step 2: Convert to fraction form
    651,626.60/976,979.10 = 296,810.60/x
  3. Step 3: Cross multiply
    651,626.60x = 976,979.10 × 296,810.60
  4. Step 4: Simplify right side
    651,626.60x = 289,977,752,858.46
  5. Step 5: Solve for x
    x = 289,977,752,858.46/651,626.60
  6. Step 6: Final answer
    x = 445,006.01

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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.