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Finding the Fourth Proportional to 553,341.70, 829,356.45 and 496,917.10

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Solution

The fourth proportional to 553,341.70, 829,356.45 and 496,917.10 is: 744,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,341.70 : 829,356.45 = 496,917.10 : x
  2. Step 2: Convert to fraction form
    553,341.70/829,356.45 = 496,917.10/x
  3. Step 3: Cross multiply
    553,341.70x = 829,356.45 × 496,917.10
  4. Step 4: Simplify right side
    553,341.70x = 412,121,402,000.30
  5. Step 5: Solve for x
    x = 412,121,402,000.30/553,341.70
  6. Step 6: Final answer
    x = 744,786.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.