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Finding the Fourth Proportional to 875,702.67, 1,208,469.15 and 473,294.67

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Solution

The fourth proportional to 875,702.67, 1,208,469.15 and 473,294.67 is: 653,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,702.67 : 1,208,469.15 = 473,294.67 : x
  2. Step 2: Convert to fraction form
    875,702.67/1,208,469.15 = 473,294.67/x
  3. Step 3: Cross multiply
    875,702.67x = 1,208,469.15 × 473,294.67
  4. Step 4: Simplify right side
    875,702.67x = 571,962,007,554.43
  5. Step 5: Solve for x
    x = 571,962,007,554.43/875,702.67
  6. Step 6: Final answer
    x = 653,146.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.