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Finding the Fourth Proportional to 956,956.68, 1,320,630.13 and 549,133.12

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Solution

The fourth proportional to 956,956.68, 1,320,630.13 and 549,133.12 is: 757,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,956.68 : 1,320,630.13 = 549,133.12 : x
  2. Step 2: Convert to fraction form
    956,956.68/1,320,630.13 = 549,133.12/x
  3. Step 3: Cross multiply
    956,956.68x = 1,320,630.13 × 549,133.12
  4. Step 4: Simplify right side
    956,956.68x = 725,201,742,901.24
  5. Step 5: Solve for x
    x = 725,201,742,901.24/956,956.68
  6. Step 6: Final answer
    x = 757,820.87

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