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Finding the Fourth Proportional to 586,123.85, 879,176.18 and 186,759.23

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Solution

The fourth proportional to 586,123.85, 879,176.18 and 186,759.23 is: 280,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,123.85 : 879,176.18 = 186,759.23 : x
  2. Step 2: Convert to fraction form
    586,123.85/879,176.18 = 186,759.23/x
  3. Step 3: Cross multiply
    586,123.85x = 879,176.18 × 186,759.23
  4. Step 4: Simplify right side
    586,123.85x = 164,194,262,482.16
  5. Step 5: Solve for x
    x = 164,194,262,482.16/586,123.85
  6. Step 6: Final answer
    x = 280,135.78

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Similar ratio
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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.