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Finding the Fourth Proportional to 586,168.40, 879,236.12 and 186,833.10

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Solution

The fourth proportional to 586,168.40, 879,236.12 and 186,833.10 is: 280,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,168.40 : 879,236.12 = 186,833.10 : x
  2. Step 2: Convert to fraction form
    586,168.40/879,236.12 = 186,833.10/x
  3. Step 3: Cross multiply
    586,168.40x = 879,236.12 × 186,833.10
  4. Step 4: Simplify right side
    586,168.40x = 164,270,409,931.57
  5. Step 5: Solve for x
    x = 164,270,409,931.57/586,168.40
  6. Step 6: Final answer
    x = 280,244.40

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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.