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Finding the Fourth Proportional to 834,816, 1,152,046.08 and 477,127.68

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Solution

The fourth proportional to 834,816, 1,152,046.08 and 477,127.68 is: 658,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,816 : 1,152,046.08 = 477,127.68 : x
  2. Step 2: Convert to fraction form
    834,816/1,152,046.08 = 477,127.68/x
  3. Step 3: Cross multiply
    834,816x = 1,152,046.08 × 477,127.68
  4. Step 4: Simplify right side
    834,816x = 549,673,073,403.49
  5. Step 5: Solve for x
    x = 549,673,073,403.49/834,816
  6. Step 6: Final answer
    x = 658,436.20

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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.