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Finding the Fourth Proportional to 568,038.40, 852,057.60 and 168,740.80

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Solution

The fourth proportional to 568,038.40, 852,057.60 and 168,740.80 is: 253,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,038.40 : 852,057.60 = 168,740.80 : x
  2. Step 2: Convert to fraction form
    568,038.40/852,057.60 = 168,740.80/x
  3. Step 3: Cross multiply
    568,038.40x = 852,057.60 × 168,740.80
  4. Step 4: Simplify right side
    568,038.40x = 143,776,881,070.08
  5. Step 5: Solve for x
    x = 143,776,881,070.08/568,038.40
  6. Step 6: Final answer
    x = 253,111.20

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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.