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Finding the Fourth Proportional to 713,495.40, 1,070,243.10 and 476,951.40

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Solution

The fourth proportional to 713,495.40, 1,070,243.10 and 476,951.40 is: 715,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,495.40 : 1,070,243.10 = 476,951.40 : x
  2. Step 2: Convert to fraction form
    713,495.40/1,070,243.10 = 476,951.40/x
  3. Step 3: Cross multiply
    713,495.40x = 1,070,243.10 × 476,951.40
  4. Step 4: Simplify right side
    713,495.40x = 510,453,944,885.34
  5. Step 5: Solve for x
    x = 510,453,944,885.34/713,495.40
  6. Step 6: Final answer
    x = 715,427.10

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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.