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Finding the Fourth Proportional to 605,063.70, 907,595.55 and 249,959.70

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Solution

The fourth proportional to 605,063.70, 907,595.55 and 249,959.70 is: 374,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,063.70 : 907,595.55 = 249,959.70 : x
  2. Step 2: Convert to fraction form
    605,063.70/907,595.55 = 249,959.70/x
  3. Step 3: Cross multiply
    605,063.70x = 907,595.55 × 249,959.70
  4. Step 4: Simplify right side
    605,063.70x = 226,862,311,399.34
  5. Step 5: Solve for x
    x = 226,862,311,399.34/605,063.70
  6. Step 6: Final answer
    x = 374,939.55

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Double scale
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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.