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Finding the Fourth Proportional to 616,011.79, 850,087.28 and 344,083.58

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Solution

The fourth proportional to 616,011.79, 850,087.28 and 344,083.58 is: 474,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,011.79 : 850,087.28 = 344,083.58 : x
  2. Step 2: Convert to fraction form
    616,011.79/850,087.28 = 344,083.58/x
  3. Step 3: Cross multiply
    616,011.79x = 850,087.28 × 344,083.58
  4. Step 4: Simplify right side
    616,011.79x = 292,501,072,894.45
  5. Step 5: Solve for x
    x = 292,501,072,894.45/616,011.79
  6. Step 6: Final answer
    x = 474,830.32

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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.