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Finding the Fourth Proportional to 616,013.79, 850,090.03 and 344,085.58

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Solution

The fourth proportional to 616,013.79, 850,090.03 and 344,085.58 is: 474,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,013.79 : 850,090.03 = 344,085.58 : x
  2. Step 2: Convert to fraction form
    616,013.79/850,090.03 = 344,085.58/x
  3. Step 3: Cross multiply
    616,013.79x = 850,090.03 × 344,085.58
  4. Step 4: Simplify right side
    616,013.79x = 292,503,721,024.77
  5. Step 5: Solve for x
    x = 292,503,721,024.77/616,013.79
  6. Step 6: Final answer
    x = 474,833.07

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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.