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Finding the Fourth Proportional to 672,006.70, 927,368.84 and 370,200.70

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Solution

The fourth proportional to 672,006.70, 927,368.84 and 370,200.70 is: 510,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,006.70 : 927,368.84 = 370,200.70 : x
  2. Step 2: Convert to fraction form
    672,006.70/927,368.84 = 370,200.70/x
  3. Step 3: Cross multiply
    672,006.70x = 927,368.84 × 370,200.70
  4. Step 4: Simplify right side
    672,006.70x = 343,312,587,238.34
  5. Step 5: Solve for x
    x = 343,312,587,238.34/672,006.70
  6. Step 6: Final answer
    x = 510,876.74

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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.