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Finding the Fourth Proportional to 553,655.90, 829,317.45 and 553,655.90

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Solution

The fourth proportional to 553,655.90, 829,317.45 and 553,655.90 is: 829,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,655.90 : 829,317.45 = 553,655.90 : x
  2. Step 2: Convert to fraction form
    553,655.90/829,317.45 = 553,655.90/x
  3. Step 3: Cross multiply
    553,655.90x = 829,317.45 × 553,655.90
  4. Step 4: Simplify right side
    553,655.90x = 459,156,499,165.46
  5. Step 5: Solve for x
    x = 459,156,499,165.46/553,655.90
  6. Step 6: Final answer
    x = 829,317.45

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Why These Related Problems?

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