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Finding the Fourth Proportional to 779,783.80, 1,076,194.86 and 473,910

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Solution

The fourth proportional to 779,783.80, 1,076,194.86 and 473,910 is: 654,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,783.80 : 1,076,194.86 = 473,910 : x
  2. Step 2: Convert to fraction form
    779,783.80/1,076,194.86 = 473,910/x
  3. Step 3: Cross multiply
    779,783.80x = 1,076,194.86 × 473,910
  4. Step 4: Simplify right side
    779,783.80x = 510,019,506,102.60
  5. Step 5: Solve for x
    x = 510,019,506,102.60/779,783.80
  6. Step 6: Final answer
    x = 654,052.45

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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.