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Finding the Fourth Proportional to 556,476.40, 834,350.10 and 219,313.90

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Solution

The fourth proportional to 556,476.40, 834,350.10 and 219,313.90 is: 328,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,476.40 : 834,350.10 = 219,313.90 : x
  2. Step 2: Convert to fraction form
    556,476.40/834,350.10 = 219,313.90/x
  3. Step 3: Cross multiply
    556,476.40x = 834,350.10 × 219,313.90
  4. Step 4: Simplify right side
    556,476.40x = 182,984,574,396.39
  5. Step 5: Solve for x
    x = 182,984,574,396.39/556,476.40
  6. Step 6: Final answer
    x = 328,827.20

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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.