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Finding the Fourth Proportional to 425,087.60, 586,903.20 and 264,182.72

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Solution

The fourth proportional to 425,087.60, 586,903.20 and 264,182.72 is: 364,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,087.60 : 586,903.20 = 264,182.72 : x
  2. Step 2: Convert to fraction form
    425,087.60/586,903.20 = 264,182.72/x
  3. Step 3: Cross multiply
    425,087.60x = 586,903.20 × 264,182.72
  4. Step 4: Simplify right side
    425,087.60x = 155,049,683,752.70
  5. Step 5: Solve for x
    x = 155,049,683,752.70/425,087.60
  6. Step 6: Final answer
    x = 364,747.60

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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.