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Finding the Fourth Proportional to 804,702.70, 1,207,054.05 and 716,056.30

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Solution

The fourth proportional to 804,702.70, 1,207,054.05 and 716,056.30 is: 1,074,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,702.70 : 1,207,054.05 = 716,056.30 : x
  2. Step 2: Convert to fraction form
    804,702.70/1,207,054.05 = 716,056.30/x
  3. Step 3: Cross multiply
    804,702.70x = 1,207,054.05 × 716,056.30
  4. Step 4: Simplify right side
    804,702.70x = 864,318,656,943.02
  5. Step 5: Solve for x
    x = 864,318,656,943.02/804,702.70
  6. Step 6: Final answer
    x = 1,074,084.45

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Double scale
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Similar ratio
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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.