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Finding the Fourth Proportional to 704,125.58, 971,693.55 and 381,835.58

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Solution

The fourth proportional to 704,125.58, 971,693.55 and 381,835.58 is: 526,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,125.58 : 971,693.55 = 381,835.58 : x
  2. Step 2: Convert to fraction form
    704,125.58/971,693.55 = 381,835.58/x
  3. Step 3: Cross multiply
    704,125.58x = 971,693.55 × 381,835.58
  4. Step 4: Simplify right side
    704,125.58x = 371,027,172,675.74
  5. Step 5: Solve for x
    x = 371,027,172,675.74/704,125.58
  6. Step 6: Final answer
    x = 526,933.24

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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.