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Finding the Fourth Proportional to 355,313.40, 532,970.10 and 102,593.40

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Solution

The fourth proportional to 355,313.40, 532,970.10 and 102,593.40 is: 153,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,313.40 : 532,970.10 = 102,593.40 : x
  2. Step 2: Convert to fraction form
    355,313.40/532,970.10 = 102,593.40/x
  3. Step 3: Cross multiply
    355,313.40x = 532,970.10 × 102,593.40
  4. Step 4: Simplify right side
    355,313.40x = 54,679,214,657.34
  5. Step 5: Solve for x
    x = 54,679,214,657.34/355,313.40
  6. Step 6: Final answer
    x = 153,890.10

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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.