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Finding the Fourth Proportional to 632,197.32, 872,423.91 and 360,281.40

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Solution

The fourth proportional to 632,197.32, 872,423.91 and 360,281.40 is: 497,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,197.32 : 872,423.91 = 360,281.40 : x
  2. Step 2: Convert to fraction form
    632,197.32/872,423.91 = 360,281.40/x
  3. Step 3: Cross multiply
    632,197.32x = 872,423.91 × 360,281.40
  4. Step 4: Simplify right side
    632,197.32x = 314,318,107,688.27
  5. Step 5: Solve for x
    x = 314,318,107,688.27/632,197.32
  6. Step 6: Final answer
    x = 497,183.55

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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.