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Finding the Fourth Proportional to 662,066, 913,651.08 and 360,262.16

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Solution

The fourth proportional to 662,066, 913,651.08 and 360,262.16 is: 497,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,066 : 913,651.08 = 360,262.16 : x
  2. Step 2: Convert to fraction form
    662,066/913,651.08 = 360,262.16/x
  3. Step 3: Cross multiply
    662,066x = 913,651.08 × 360,262.16
  4. Step 4: Simplify right side
    662,066x = 329,153,911,567.13
  5. Step 5: Solve for x
    x = 329,153,911,567.13/662,066
  6. Step 6: Final answer
    x = 497,161.78

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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.