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Finding the Fourth Proportional to 748,303.14, 1,032,681.03 and 408,793.26

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Solution

The fourth proportional to 748,303.14, 1,032,681.03 and 408,793.26 is: 564,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,303.14 : 1,032,681.03 = 408,793.26 : x
  2. Step 2: Convert to fraction form
    748,303.14/1,032,681.03 = 408,793.26/x
  3. Step 3: Cross multiply
    748,303.14x = 1,032,681.03 × 408,793.26
  4. Step 4: Simplify right side
    748,303.14x = 422,153,044,793.86
  5. Step 5: Solve for x
    x = 422,153,044,793.86/748,303.14
  6. Step 6: Final answer
    x = 564,147.10

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Double scale
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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.