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Finding the Fourth Proportional to 607,346.13, 838,187.23 and 349,306.61

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Solution

The fourth proportional to 607,346.13, 838,187.23 and 349,306.61 is: 482,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,346.13 : 838,187.23 = 349,306.61 : x
  2. Step 2: Convert to fraction form
    607,346.13/838,187.23 = 349,306.61/x
  3. Step 3: Cross multiply
    607,346.13x = 838,187.23 × 349,306.61
  4. Step 4: Simplify right side
    607,346.13x = 292,784,343,207.03
  5. Step 5: Solve for x
    x = 292,784,343,207.03/607,346.13
  6. Step 6: Final answer
    x = 482,071.64

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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.