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Finding the Fourth Proportional to 583,897.96, 805,930.98 and 380,506.60

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Solution

The fourth proportional to 583,897.96, 805,930.98 and 380,506.60 is: 525,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,897.96 : 805,930.98 = 380,506.60 : x
  2. Step 2: Convert to fraction form
    583,897.96/805,930.98 = 380,506.60/x
  3. Step 3: Cross multiply
    583,897.96x = 805,930.98 × 380,506.60
  4. Step 4: Simplify right side
    583,897.96x = 306,662,057,034.47
  5. Step 5: Solve for x
    x = 306,662,057,034.47/583,897.96
  6. Step 6: Final answer
    x = 525,198.03

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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.