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Finding the Fourth Proportional to 636,953.04, 955,554.84 and 210,471.66

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Solution

The fourth proportional to 636,953.04, 955,554.84 and 210,471.66 is: 315,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,953.04 : 955,554.84 = 210,471.66 : x
  2. Step 2: Convert to fraction form
    636,953.04/955,554.84 = 210,471.66/x
  3. Step 3: Cross multiply
    636,953.04x = 955,554.84 × 210,471.66
  4. Step 4: Simplify right side
    636,953.04x = 201,117,213,395.83
  5. Step 5: Solve for x
    x = 201,117,213,395.83/636,953.04
  6. Step 6: Final answer
    x = 315,748.89

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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.