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Finding the Fourth Proportional to 340,587.10, 510,880.65 and 235,611.10

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Solution

The fourth proportional to 340,587.10, 510,880.65 and 235,611.10 is: 353,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,587.10 : 510,880.65 = 235,611.10 : x
  2. Step 2: Convert to fraction form
    340,587.10/510,880.65 = 235,611.10/x
  3. Step 3: Cross multiply
    340,587.10x = 510,880.65 × 235,611.10
  4. Step 4: Simplify right side
    340,587.10x = 120,369,151,915.22
  5. Step 5: Solve for x
    x = 120,369,151,915.22/340,587.10
  6. Step 6: Final answer
    x = 353,416.65

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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.