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Finding the Fourth Proportional to 651,330.40, 977,168.40 and 230,562.40

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Solution

The fourth proportional to 651,330.40, 977,168.40 and 230,562.40 is: 345,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,330.40 : 977,168.40 = 230,562.40 : x
  2. Step 2: Convert to fraction form
    651,330.40/977,168.40 = 230,562.40/x
  3. Step 3: Cross multiply
    651,330.40x = 977,168.40 × 230,562.40
  4. Step 4: Simplify right side
    651,330.40x = 225,298,291,508.16
  5. Step 5: Solve for x
    x = 225,298,291,508.16/651,330.40
  6. Step 6: Final answer
    x = 345,904.77

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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.