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Finding the Fourth Proportional to 575,520.62, 863,426.08 and 191,271.49

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Solution

The fourth proportional to 575,520.62, 863,426.08 and 191,271.49 is: 286,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,520.62 : 863,426.08 = 191,271.49 : x
  2. Step 2: Convert to fraction form
    575,520.62/863,426.08 = 191,271.49/x
  3. Step 3: Cross multiply
    575,520.62x = 863,426.08 × 191,271.49
  4. Step 4: Simplify right side
    575,520.62x = 165,148,788,509.33
  5. Step 5: Solve for x
    x = 165,148,788,509.33/575,520.62
  6. Step 6: Final answer
    x = 286,955.47

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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.