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Finding the Fourth Proportional to 623,879.86, 935,819.96 and 174,666.90

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Solution

The fourth proportional to 623,879.86, 935,819.96 and 174,666.90 is: 262,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,879.86 : 935,819.96 = 174,666.90 : x
  2. Step 2: Convert to fraction form
    623,879.86/935,819.96 = 174,666.90/x
  3. Step 3: Cross multiply
    623,879.86x = 935,819.96 × 174,666.90
  4. Step 4: Simplify right side
    623,879.86x = 163,456,771,371.32
  5. Step 5: Solve for x
    x = 163,456,771,371.32/623,879.86
  6. Step 6: Final answer
    x = 262,000.40

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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.