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Finding the Fourth Proportional to 553,329.60, 829,994.40 and 497,342.40

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Solution

The fourth proportional to 553,329.60, 829,994.40 and 497,342.40 is: 746,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,329.60 : 829,994.40 = 497,342.40 : x
  2. Step 2: Convert to fraction form
    553,329.60/829,994.40 = 497,342.40/x
  3. Step 3: Cross multiply
    553,329.60x = 829,994.40 × 497,342.40
  4. Step 4: Simplify right side
    553,329.60x = 412,791,406,882.56
  5. Step 5: Solve for x
    x = 412,791,406,882.56/553,329.60
  6. Step 6: Final answer
    x = 746,013.60

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Similar ratio
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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.