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Finding the Fourth Proportional to 343,416.08, 473,897.72 and 190,442.28

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Solution

The fourth proportional to 343,416.08, 473,897.72 and 190,442.28 is: 262,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,416.08 : 473,897.72 = 190,442.28 : x
  2. Step 2: Convert to fraction form
    343,416.08/473,897.72 = 190,442.28/x
  3. Step 3: Cross multiply
    343,416.08x = 473,897.72 × 190,442.28
  4. Step 4: Simplify right side
    343,416.08x = 90,250,162,283.60
  5. Step 5: Solve for x
    x = 90,250,162,283.60/343,416.08
  6. Step 6: Final answer
    x = 262,801.21

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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.