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Finding the Fourth Proportional to 736,254, 1,016,039.16 and 445,860.36

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Solution

The fourth proportional to 736,254, 1,016,039.16 and 445,860.36 is: 615,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,254 : 1,016,039.16 = 445,860.36 : x
  2. Step 2: Convert to fraction form
    736,254/1,016,039.16 = 445,860.36/x
  3. Step 3: Cross multiply
    736,254x = 1,016,039.16 × 445,860.36
  4. Step 4: Simplify right side
    736,254x = 453,011,585,651.70
  5. Step 5: Solve for x
    x = 453,011,585,651.70/736,254
  6. Step 6: Final answer
    x = 615,292.53

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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.