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Finding the Fourth Proportional to 616,154.16, 850,208.58 and 344,188.42

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Solution

The fourth proportional to 616,154.16, 850,208.58 and 344,188.42 is: 474,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,154.16 : 850,208.58 = 344,188.42 : x
  2. Step 2: Convert to fraction form
    616,154.16/850,208.58 = 344,188.42/x
  3. Step 3: Cross multiply
    616,154.16x = 850,208.58 × 344,188.42
  4. Step 4: Simplify right side
    616,154.16x = 292,631,947,820.64
  5. Step 5: Solve for x
    x = 292,631,947,820.64/616,154.16
  6. Step 6: Final answer
    x = 474,933.01

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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.