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Finding the Fourth Proportional to 606,931.10, 848,128.90 and 606,931.10

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Solution

The fourth proportional to 606,931.10, 848,128.90 and 606,931.10 is: 848,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,931.10 : 848,128.90 = 606,931.10 : x
  2. Step 2: Convert to fraction form
    606,931.10/848,128.90 = 606,931.10/x
  3. Step 3: Cross multiply
    606,931.10x = 848,128.90 × 606,931.10
  4. Step 4: Simplify right side
    606,931.10x = 514,755,806,218.79
  5. Step 5: Solve for x
    x = 514,755,806,218.79/606,931.10
  6. Step 6: Final answer
    x = 848,128.90

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1.5x scale

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.