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Finding the Fourth Proportional to 830,657.92, 1,146,805.92 and 544,676.80

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Solution

The fourth proportional to 830,657.92, 1,146,805.92 and 544,676.80 is: 751,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,657.92 : 1,146,805.92 = 544,676.80 : x
  2. Step 2: Convert to fraction form
    830,657.92/1,146,805.92 = 544,676.80/x
  3. Step 3: Cross multiply
    830,657.92x = 1,146,805.92 × 544,676.80
  4. Step 4: Simplify right side
    830,657.92x = 624,638,578,726.66
  5. Step 5: Solve for x
    x = 624,638,578,726.66/830,657.92
  6. Step 6: Final answer
    x = 751,980.52

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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.