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Finding the Fourth Proportional to 683,526.60, 936,415.89 and 657,970.20

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Solution

The fourth proportional to 683,526.60, 936,415.89 and 657,970.20 is: 901,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,526.60 : 936,415.89 = 657,970.20 : x
  2. Step 2: Convert to fraction form
    683,526.60/936,415.89 = 657,970.20/x
  3. Step 3: Cross multiply
    683,526.60x = 936,415.89 × 657,970.20
  4. Step 4: Simplify right side
    683,526.60x = 616,133,750,426.48
  5. Step 5: Solve for x
    x = 616,133,750,426.48/683,526.60
  6. Step 6: Final answer
    x = 901,404.20

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.