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Finding the Fourth Proportional to 575,700.76, 863,343.78 and 243,302.68

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Solution

The fourth proportional to 575,700.76, 863,343.78 and 243,302.68 is: 364,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,700.76 : 863,343.78 = 243,302.68 : x
  2. Step 2: Convert to fraction form
    575,700.76/863,343.78 = 243,302.68/x
  3. Step 3: Cross multiply
    575,700.76x = 863,343.78 × 243,302.68
  4. Step 4: Simplify right side
    575,700.76x = 210,053,855,435.33
  5. Step 5: Solve for x
    x = 210,053,855,435.33/575,700.76
  6. Step 6: Final answer
    x = 364,866.39

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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.