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Finding the Fourth Proportional to 707,554.58, 976,511.30 and 401,726.12

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Solution

The fourth proportional to 707,554.58, 976,511.30 and 401,726.12 is: 554,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,554.58 : 976,511.30 = 401,726.12 : x
  2. Step 2: Convert to fraction form
    707,554.58/976,511.30 = 401,726.12/x
  3. Step 3: Cross multiply
    707,554.58x = 976,511.30 × 401,726.12
  4. Step 4: Simplify right side
    707,554.58x = 392,290,088,793.97
  5. Step 5: Solve for x
    x = 392,290,088,793.97/707,554.58
  6. Step 6: Final answer
    x = 554,430.86

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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.