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Finding the Fourth Proportional to 591,612.80, 887,637.90 and 236,881.40

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Solution

The fourth proportional to 591,612.80, 887,637.90 and 236,881.40 is: 355,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,612.80 : 887,637.90 = 236,881.40 : x
  2. Step 2: Convert to fraction form
    591,612.80/887,637.90 = 236,881.40/x
  3. Step 3: Cross multiply
    591,612.80x = 887,637.90 × 236,881.40
  4. Step 4: Simplify right side
    591,612.80x = 210,264,908,445.06
  5. Step 5: Solve for x
    x = 210,264,908,445.06/591,612.80
  6. Step 6: Final answer
    x = 355,409.67

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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.