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Finding the Fourth Proportional to 581,066.56, 801,784.56 and 326,368.96

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Solution

The fourth proportional to 581,066.56, 801,784.56 and 326,368.96 is: 450,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,066.56 : 801,784.56 = 326,368.96 : x
  2. Step 2: Convert to fraction form
    581,066.56/801,784.56 = 326,368.96/x
  3. Step 3: Cross multiply
    581,066.56x = 801,784.56 × 326,368.96
  4. Step 4: Simplify right side
    581,066.56x = 261,677,592,991.26
  5. Step 5: Solve for x
    x = 261,677,592,991.26/581,066.56
  6. Step 6: Final answer
    x = 450,340.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.