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Finding the Fourth Proportional to 434,219.60, 651,444.60 and 153,707.60

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Solution

The fourth proportional to 434,219.60, 651,444.60 and 153,707.60 is: 230,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,219.60 : 651,444.60 = 153,707.60 : x
  2. Step 2: Convert to fraction form
    434,219.60/651,444.60 = 153,707.60/x
  3. Step 3: Cross multiply
    434,219.60x = 651,444.60 × 153,707.60
  4. Step 4: Simplify right side
    434,219.60x = 100,131,985,998.96
  5. Step 5: Solve for x
    x = 100,131,985,998.96/434,219.60
  6. Step 6: Final answer
    x = 230,602.18

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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.