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Finding the Fourth Proportional to 934,359.40, 1,311,646.10 and 934,359.40

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Solution

The fourth proportional to 934,359.40, 1,311,646.10 and 934,359.40 is: 1,311,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,359.40 : 1,311,646.10 = 934,359.40 : x
  2. Step 2: Convert to fraction form
    934,359.40/1,311,646.10 = 934,359.40/x
  3. Step 3: Cross multiply
    934,359.40x = 1,311,646.10 × 934,359.40
  4. Step 4: Simplify right side
    934,359.40x = 1,225,548,863,008.34
  5. Step 5: Solve for x
    x = 1,225,548,863,008.34/934,359.40
  6. Step 6: Final answer
    x = 1,311,646.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.