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Finding the Fourth Proportional to 671,429.46, 926,543.70 and 365,506.32

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Solution

The fourth proportional to 671,429.46, 926,543.70 and 365,506.32 is: 504,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,429.46 : 926,543.70 = 365,506.32 : x
  2. Step 2: Convert to fraction form
    671,429.46/926,543.70 = 365,506.32/x
  3. Step 3: Cross multiply
    671,429.46x = 926,543.70 × 365,506.32
  4. Step 4: Simplify right side
    671,429.46x = 338,657,578,106.18
  5. Step 5: Solve for x
    x = 338,657,578,106.18/671,429.46
  6. Step 6: Final answer
    x = 504,382.96

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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.