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Finding the Fourth Proportional to 626,970, 939,533.16 and 370,538.64

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Solution

The fourth proportional to 626,970, 939,533.16 and 370,538.64 is: 555,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,970 : 939,533.16 = 370,538.64 : x
  2. Step 2: Convert to fraction form
    626,970/939,533.16 = 370,538.64/x
  3. Step 3: Cross multiply
    626,970x = 939,533.16 × 370,538.64
  4. Step 4: Simplify right side
    626,970x = 348,133,339,341.30
  5. Step 5: Solve for x
    x = 348,133,339,341.30/626,970
  6. Step 6: Final answer
    x = 555,263.15

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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.