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Finding the Fourth Proportional to 849,009.10, 1,273,513.65 and 849,009.10

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Solution

The fourth proportional to 849,009.10, 1,273,513.65 and 849,009.10 is: 1,273,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,009.10 : 1,273,513.65 = 849,009.10 : x
  2. Step 2: Convert to fraction form
    849,009.10/1,273,513.65 = 849,009.10/x
  3. Step 3: Cross multiply
    849,009.10x = 1,273,513.65 × 849,009.10
  4. Step 4: Simplify right side
    849,009.10x = 1,081,224,677,824.21
  5. Step 5: Solve for x
    x = 1,081,224,677,824.21/849,009.10
  6. Step 6: Final answer
    x = 1,273,513.65

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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.