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Finding the Fourth Proportional to 461,907.04, 637,424.98 and 257,955.80

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Solution

The fourth proportional to 461,907.04, 637,424.98 and 257,955.80 is: 355,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,907.04 : 637,424.98 = 257,955.80 : x
  2. Step 2: Convert to fraction form
    461,907.04/637,424.98 = 257,955.80/x
  3. Step 3: Cross multiply
    461,907.04x = 637,424.98 × 257,955.80
  4. Step 4: Simplify right side
    461,907.04x = 164,427,470,655.88
  5. Step 5: Solve for x
    x = 164,427,470,655.88/461,907.04
  6. Step 6: Final answer
    x = 355,975.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.