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Finding the Fourth Proportional to 453,312.76, 680,117.06 and 216,673.88

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Solution

The fourth proportional to 453,312.76, 680,117.06 and 216,673.88 is: 325,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,312.76 : 680,117.06 = 216,673.88 : x
  2. Step 2: Convert to fraction form
    453,312.76/680,117.06 = 216,673.88/x
  3. Step 3: Cross multiply
    453,312.76x = 680,117.06 × 216,673.88
  4. Step 4: Simplify right side
    453,312.76x = 147,363,602,244.39
  5. Step 5: Solve for x
    x = 147,363,602,244.39/453,312.76
  6. Step 6: Final answer
    x = 325,081.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.