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Finding the Fourth Proportional to 604,670.28, 834,560.64 and 400,360.92

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Solution

The fourth proportional to 604,670.28, 834,560.64 and 400,360.92 is: 552,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,670.28 : 834,560.64 = 400,360.92 : x
  2. Step 2: Convert to fraction form
    604,670.28/834,560.64 = 400,360.92/x
  3. Step 3: Cross multiply
    604,670.28x = 834,560.64 × 400,360.92
  4. Step 4: Simplify right side
    604,670.28x = 334,125,465,626.19
  5. Step 5: Solve for x
    x = 334,125,465,626.19/604,670.28
  6. Step 6: Final answer
    x = 552,574.65

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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.