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Finding the Fourth Proportional to 514,868.21, 772,430.96 and 363,361.12

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Solution

The fourth proportional to 514,868.21, 772,430.96 and 363,361.12 is: 545,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,868.21 : 772,430.96 = 363,361.12 : x
  2. Step 2: Convert to fraction form
    514,868.21/772,430.96 = 363,361.12/x
  3. Step 3: Cross multiply
    514,868.21x = 772,430.96 × 363,361.12
  4. Step 4: Simplify right side
    514,868.21x = 280,671,378,748.28
  5. Step 5: Solve for x
    x = 280,671,378,748.28/514,868.21
  6. Step 6: Final answer
    x = 545,132.47

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Double scale
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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.