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Finding the Fourth Proportional to 653,063.50, 979,595.25 and 232,340.59

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Solution

The fourth proportional to 653,063.50, 979,595.25 and 232,340.59 is: 348,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,063.50 : 979,595.25 = 232,340.59 : x
  2. Step 2: Convert to fraction form
    653,063.50/979,595.25 = 232,340.59/x
  3. Step 3: Cross multiply
    653,063.50x = 979,595.25 × 232,340.59
  4. Step 4: Simplify right side
    653,063.50x = 227,599,738,346.20
  5. Step 5: Solve for x
    x = 227,599,738,346.20/653,063.50
  6. Step 6: Final answer
    x = 348,510.89

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Double scale
Find fourth proportional to 653,064.50, 979,596.75 and 232,341.59
Similar ratio
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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.