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Finding the Fourth Proportional to 547,707.93, 821,562.24 and 358,327.40

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Solution

The fourth proportional to 547,707.93, 821,562.24 and 358,327.40 is: 537,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,707.93 : 821,562.24 = 358,327.40 : x
  2. Step 2: Convert to fraction form
    547,707.93/821,562.24 = 358,327.40/x
  3. Step 3: Cross multiply
    547,707.93x = 821,562.24 × 358,327.40
  4. Step 4: Simplify right side
    547,707.93x = 294,388,258,633.29
  5. Step 5: Solve for x
    x = 294,388,258,633.29/547,707.93
  6. Step 6: Final answer
    x = 537,491.32

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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.