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Finding the Fourth Proportional to 347,444.40, 521,166.60 and 245,967.60

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Solution

The fourth proportional to 347,444.40, 521,166.60 and 245,967.60 is: 368,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,444.40 : 521,166.60 = 245,967.60 : x
  2. Step 2: Convert to fraction form
    347,444.40/521,166.60 = 245,967.60/x
  3. Step 3: Cross multiply
    347,444.40x = 521,166.60 × 245,967.60
  4. Step 4: Simplify right side
    347,444.40x = 128,190,097,802.16
  5. Step 5: Solve for x
    x = 128,190,097,802.16/347,444.40
  6. Step 6: Final answer
    x = 368,951.40

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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.