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Finding the Fourth Proportional to 636,560.04, 878,463.51 and 364,651.65

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Solution

The fourth proportional to 636,560.04, 878,463.51 and 364,651.65 is: 503,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,560.04 : 878,463.51 = 364,651.65 : x
  2. Step 2: Convert to fraction form
    636,560.04/878,463.51 = 364,651.65/x
  3. Step 3: Cross multiply
    636,560.04x = 878,463.51 × 364,651.65
  4. Step 4: Simplify right side
    636,560.04x = 320,333,168,386.29
  5. Step 5: Solve for x
    x = 320,333,168,386.29/636,560.04
  6. Step 6: Final answer
    x = 503,225.38

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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.