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Finding the Fourth Proportional to 898,368.40, 1,347,574.20 and 267,302.80

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Solution

The fourth proportional to 898,368.40, 1,347,574.20 and 267,302.80 is: 400,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,368.40 : 1,347,574.20 = 267,302.80 : x
  2. Step 2: Convert to fraction form
    898,368.40/1,347,574.20 = 267,302.80/x
  3. Step 3: Cross multiply
    898,368.40x = 1,347,574.20 × 267,302.80
  4. Step 4: Simplify right side
    898,368.40x = 360,210,356,867.76
  5. Step 5: Solve for x
    x = 360,210,356,867.76/898,368.40
  6. Step 6: Final answer
    x = 400,960.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.