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Finding the Fourth Proportional to 934,702.10, 1,402,053.15 and 303,679.70

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Solution

The fourth proportional to 934,702.10, 1,402,053.15 and 303,679.70 is: 455,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,702.10 : 1,402,053.15 = 303,679.70 : x
  2. Step 2: Convert to fraction form
    934,702.10/1,402,053.15 = 303,679.70/x
  3. Step 3: Cross multiply
    934,702.10x = 1,402,053.15 × 303,679.70
  4. Step 4: Simplify right side
    934,702.10x = 425,775,079,976.06
  5. Step 5: Solve for x
    x = 425,775,079,976.06/934,702.10
  6. Step 6: Final answer
    x = 455,519.55

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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.