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Finding the Fourth Proportional to 573,084.90, 858,643.20 and 373,302.45

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Solution

The fourth proportional to 573,084.90, 858,643.20 and 373,302.45 is: 559,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,084.90 : 858,643.20 = 373,302.45 : x
  2. Step 2: Convert to fraction form
    573,084.90/858,643.20 = 373,302.45/x
  3. Step 3: Cross multiply
    573,084.90x = 858,643.20 × 373,302.45
  4. Step 4: Simplify right side
    573,084.90x = 320,533,610,235.84
  5. Step 5: Solve for x
    x = 320,533,610,235.84/573,084.90
  6. Step 6: Final answer
    x = 559,312.61

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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.