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Finding the Fourth Proportional to 360,253.61, 497,210.45 and 243,914.30

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Solution

The fourth proportional to 360,253.61, 497,210.45 and 243,914.30 is: 336,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,253.61 : 497,210.45 = 243,914.30 : x
  2. Step 2: Convert to fraction form
    360,253.61/497,210.45 = 243,914.30/x
  3. Step 3: Cross multiply
    360,253.61x = 497,210.45 × 243,914.30
  4. Step 4: Simplify right side
    360,253.61x = 121,276,738,864.44
  5. Step 5: Solve for x
    x = 121,276,738,864.44/360,253.61
  6. Step 6: Final answer
    x = 336,642.67

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Similar ratio
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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.