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Finding the Fourth Proportional to 609,681.24, 841,770.72 and 380,587.32

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Solution

The fourth proportional to 609,681.24, 841,770.72 and 380,587.32 is: 525,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,681.24 : 841,770.72 = 380,587.32 : x
  2. Step 2: Convert to fraction form
    609,681.24/841,770.72 = 380,587.32/x
  3. Step 3: Cross multiply
    609,681.24x = 841,770.72 × 380,587.32
  4. Step 4: Simplify right side
    609,681.24x = 320,367,262,379.27
  5. Step 5: Solve for x
    x = 320,367,262,379.27/609,681.24
  6. Step 6: Final answer
    x = 525,466.82

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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.