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Finding the Fourth Proportional to 955,010, 1,318,100.98 and 547,385.06

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Solution

The fourth proportional to 955,010, 1,318,100.98 and 547,385.06 is: 755,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,010 : 1,318,100.98 = 547,385.06 : x
  2. Step 2: Convert to fraction form
    955,010/1,318,100.98 = 547,385.06/x
  3. Step 3: Cross multiply
    955,010x = 1,318,100.98 × 547,385.06
  4. Step 4: Simplify right side
    955,010x = 721,508,784,023.36
  5. Step 5: Solve for x
    x = 721,508,784,023.36/955,010
  6. Step 6: Final answer
    x = 755,498.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.