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Finding the Fourth Proportional to 434,306.79, 599,368.01 and 243,381.69

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Solution

The fourth proportional to 434,306.79, 599,368.01 and 243,381.69 is: 335,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,306.79 : 599,368.01 = 243,381.69 : x
  2. Step 2: Convert to fraction form
    434,306.79/599,368.01 = 243,381.69/x
  3. Step 3: Cross multiply
    434,306.79x = 599,368.01 × 243,381.69
  4. Step 4: Simplify right side
    434,306.79x = 145,875,197,988.83
  5. Step 5: Solve for x
    x = 145,875,197,988.83/434,306.79
  6. Step 6: Final answer
    x = 335,880.54

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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.