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Finding the Fourth Proportional to 671,570.57, 926,832.71 and 501,509.45

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Solution

The fourth proportional to 671,570.57, 926,832.71 and 501,509.45 is: 692,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,570.57 : 926,832.71 = 501,509.45 : x
  2. Step 2: Convert to fraction form
    671,570.57/926,832.71 = 501,509.45/x
  3. Step 3: Cross multiply
    671,570.57x = 926,832.71 × 501,509.45
  4. Step 4: Simplify right side
    671,570.57x = 464,815,362,634.11
  5. Step 5: Solve for x
    x = 464,815,362,634.11/671,570.57
  6. Step 6: Final answer
    x = 692,131.82

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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.