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Finding the Fourth Proportional to 671,570.82, 926,833.05 and 501,509.70

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Solution

The fourth proportional to 671,570.82, 926,833.05 and 501,509.70 is: 692,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,570.82 : 926,833.05 = 501,509.70 : x
  2. Step 2: Convert to fraction form
    671,570.82/926,833.05 = 501,509.70/x
  3. Step 3: Cross multiply
    671,570.82x = 926,833.05 × 501,509.70
  4. Step 4: Simplify right side
    671,570.82x = 464,815,764,855.59
  5. Step 5: Solve for x
    x = 464,815,764,855.59/671,570.82
  6. Step 6: Final answer
    x = 692,132.16

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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.