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Finding the Fourth Proportional to 651,358.40, 977,037.60 and 462,401.60

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Solution

The fourth proportional to 651,358.40, 977,037.60 and 462,401.60 is: 693,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,358.40 : 977,037.60 = 462,401.60 : x
  2. Step 2: Convert to fraction form
    651,358.40/977,037.60 = 462,401.60/x
  3. Step 3: Cross multiply
    651,358.40x = 977,037.60 × 462,401.60
  4. Step 4: Simplify right side
    651,358.40x = 451,783,749,500.16
  5. Step 5: Solve for x
    x = 451,783,749,500.16/651,358.40
  6. Step 6: Final answer
    x = 693,602.40

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Double scale
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Similar ratio
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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.