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Finding the Fourth Proportional to 651,741.60, 977,320.80 and 296,572.80

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Solution

The fourth proportional to 651,741.60, 977,320.80 and 296,572.80 is: 444,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,741.60 : 977,320.80 = 296,572.80 : x
  2. Step 2: Convert to fraction form
    651,741.60/977,320.80 = 296,572.80/x
  3. Step 3: Cross multiply
    651,741.60x = 977,320.80 × 296,572.80
  4. Step 4: Simplify right side
    651,741.60x = 289,846,766,154.24
  5. Step 5: Solve for x
    x = 289,846,766,154.24/651,741.60
  6. Step 6: Final answer
    x = 444,726.51

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Double scale
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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.