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Finding the Fourth Proportional to 573,772.80, 858,690.90 and 526,533.60

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Solution

The fourth proportional to 573,772.80, 858,690.90 and 526,533.60 is: 787,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,772.80 : 858,690.90 = 526,533.60 : x
  2. Step 2: Convert to fraction form
    573,772.80/858,690.90 = 526,533.60/x
  3. Step 3: Cross multiply
    573,772.80x = 858,690.90 × 526,533.60
  4. Step 4: Simplify right side
    573,772.80x = 452,129,610,864.24
  5. Step 5: Solve for x
    x = 452,129,610,864.24/573,772.80
  6. Step 6: Final answer
    x = 787,994.15

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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.