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Finding the Fourth Proportional to 653,077.90, 901,165.89 and 362,649.98

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Solution

The fourth proportional to 653,077.90, 901,165.89 and 362,649.98 is: 500,411.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,077.90 : 901,165.89 = 362,649.98 : x
  2. Step 2: Convert to fraction form
    653,077.90/901,165.89 = 362,649.98/x
  3. Step 3: Cross multiply
    653,077.90x = 901,165.89 × 362,649.98
  4. Step 4: Simplify right side
    653,077.90x = 326,807,787,768.03
  5. Step 5: Solve for x
    x = 326,807,787,768.03/653,077.90
  6. Step 6: Final answer
    x = 500,411.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.