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Finding the Fourth Proportional to 341,394.80, 510,925.80 and 299,404.40

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Solution

The fourth proportional to 341,394.80, 510,925.80 and 299,404.40 is: 448,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,394.80 : 510,925.80 = 299,404.40 : x
  2. Step 2: Convert to fraction form
    341,394.80/510,925.80 = 299,404.40/x
  3. Step 3: Cross multiply
    341,394.80x = 510,925.80 × 299,404.40
  4. Step 4: Simplify right side
    341,394.80x = 152,973,432,593.52
  5. Step 5: Solve for x
    x = 152,973,432,593.52/341,394.80
  6. Step 6: Final answer
    x = 448,083.66

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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.