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Finding the Fourth Proportional to 255,683.40, 383,670.90 and 176,854.20

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Solution

The fourth proportional to 255,683.40, 383,670.90 and 176,854.20 is: 265,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,683.40 : 383,670.90 = 176,854.20 : x
  2. Step 2: Convert to fraction form
    255,683.40/383,670.90 = 176,854.20/x
  3. Step 3: Cross multiply
    255,683.40x = 383,670.90 × 176,854.20
  4. Step 4: Simplify right side
    255,683.40x = 67,853,810,082.78
  5. Step 5: Solve for x
    x = 67,853,810,082.78/255,683.40
  6. Step 6: Final answer
    x = 265,382.15

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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.