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Finding the Fourth Proportional to 601,271.40, 901,907.10 and 372,948.60

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Solution

The fourth proportional to 601,271.40, 901,907.10 and 372,948.60 is: 559,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,271.40 : 901,907.10 = 372,948.60 : x
  2. Step 2: Convert to fraction form
    601,271.40/901,907.10 = 372,948.60/x
  3. Step 3: Cross multiply
    601,271.40x = 901,907.10 × 372,948.60
  4. Step 4: Simplify right side
    601,271.40x = 336,364,990,275.06
  5. Step 5: Solve for x
    x = 336,364,990,275.06/601,271.40
  6. Step 6: Final answer
    x = 559,422.90

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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.