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Finding the Fourth Proportional to 738,107.10, 1,105,411.05 and 738,107.10

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Solution

The fourth proportional to 738,107.10, 1,105,411.05 and 738,107.10 is: 1,105,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,107.10 : 1,105,411.05 = 738,107.10 : x
  2. Step 2: Convert to fraction form
    738,107.10/1,105,411.05 = 738,107.10/x
  3. Step 3: Cross multiply
    738,107.10x = 1,105,411.05 × 738,107.10
  4. Step 4: Simplify right side
    738,107.10x = 815,911,744,423.46
  5. Step 5: Solve for x
    x = 815,911,744,423.46/738,107.10
  6. Step 6: Final answer
    x = 1,105,411.05

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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.