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Finding the Fourth Proportional to 561,570.70, 840,606.45 and 404,106.70

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Solution

The fourth proportional to 561,570.70, 840,606.45 and 404,106.70 is: 604,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,570.70 : 840,606.45 = 404,106.70 : x
  2. Step 2: Convert to fraction form
    561,570.70/840,606.45 = 404,106.70/x
  3. Step 3: Cross multiply
    561,570.70x = 840,606.45 × 404,106.70
  4. Step 4: Simplify right side
    561,570.70x = 339,694,698,508.22
  5. Step 5: Solve for x
    x = 339,694,698,508.22/561,570.70
  6. Step 6: Final answer
    x = 604,901.04

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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.