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Finding the Fourth Proportional to 573,349.14, 791,153.10 and 315,183.60

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Solution

The fourth proportional to 573,349.14, 791,153.10 and 315,183.60 is: 434,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,349.14 : 791,153.10 = 315,183.60 : x
  2. Step 2: Convert to fraction form
    573,349.14/791,153.10 = 315,183.60/x
  3. Step 3: Cross multiply
    573,349.14x = 791,153.10 × 315,183.60
  4. Step 4: Simplify right side
    573,349.14x = 249,358,482,209.16
  5. Step 5: Solve for x
    x = 249,358,482,209.16/573,349.14
  6. Step 6: Final answer
    x = 434,915.59

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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.