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Finding the Fourth Proportional to 617,283.50, 924,080.47 and 373,386.47

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Solution

The fourth proportional to 617,283.50, 924,080.47 and 373,386.47 is: 558,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,283.50 : 924,080.47 = 373,386.47 : x
  2. Step 2: Convert to fraction form
    617,283.50/924,080.47 = 373,386.47/x
  3. Step 3: Cross multiply
    617,283.50x = 924,080.47 × 373,386.47
  4. Step 4: Simplify right side
    617,283.50x = 345,039,144,000.87
  5. Step 5: Solve for x
    x = 345,039,144,000.87/617,283.50
  6. Step 6: Final answer
    x = 558,963.82

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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.