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Finding the Fourth Proportional to 245,323.40, 367,985.10 and 170,673.80

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Solution

The fourth proportional to 245,323.40, 367,985.10 and 170,673.80 is: 256,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,323.40 : 367,985.10 = 170,673.80 : x
  2. Step 2: Convert to fraction form
    245,323.40/367,985.10 = 170,673.80/x
  3. Step 3: Cross multiply
    245,323.40x = 367,985.10 × 170,673.80
  4. Step 4: Simplify right side
    245,323.40x = 62,805,415,360.38
  5. Step 5: Solve for x
    x = 62,805,415,360.38/245,323.40
  6. Step 6: Final answer
    x = 256,010.70

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1.5x scale

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.