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Finding the Fourth Proportional to 434,316.63, 599,381.46 and 243,391.53

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Solution

The fourth proportional to 434,316.63, 599,381.46 and 243,391.53 is: 335,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,316.63 : 599,381.46 = 243,391.53 : x
  2. Step 2: Convert to fraction form
    434,316.63/599,381.46 = 243,391.53/x
  3. Step 3: Cross multiply
    434,316.63x = 599,381.46 × 243,391.53
  4. Step 4: Simplify right side
    434,316.63x = 145,884,370,603.03
  5. Step 5: Solve for x
    x = 145,884,370,603.03/434,316.63
  6. Step 6: Final answer
    x = 335,894.05

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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.