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Finding the Fourth Proportional to 581,133.72, 801,921.42 and 326,527.32

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Solution

The fourth proportional to 581,133.72, 801,921.42 and 326,527.32 is: 450,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,133.72 : 801,921.42 = 326,527.32 : x
  2. Step 2: Convert to fraction form
    581,133.72/801,921.42 = 326,527.32/x
  3. Step 3: Cross multiply
    581,133.72x = 801,921.42 × 326,527.32
  4. Step 4: Simplify right side
    581,133.72x = 261,849,252,123.19
  5. Step 5: Solve for x
    x = 261,849,252,123.19/581,133.72
  6. Step 6: Final answer
    x = 450,583.48

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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.