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Finding the Fourth Proportional to 469,968.60, 704,952.90 and 310,536.30

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Solution

The fourth proportional to 469,968.60, 704,952.90 and 310,536.30 is: 465,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,968.60 : 704,952.90 = 310,536.30 : x
  2. Step 2: Convert to fraction form
    469,968.60/704,952.90 = 310,536.30/x
  3. Step 3: Cross multiply
    469,968.60x = 704,952.90 × 310,536.30
  4. Step 4: Simplify right side
    469,968.60x = 218,913,465,240.27
  5. Step 5: Solve for x
    x = 218,913,465,240.27/469,968.60
  6. Step 6: Final answer
    x = 465,804.45

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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.