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Finding the Fourth Proportional to 423,627.56, 584,688.84 and 262,554.20

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Solution

The fourth proportional to 423,627.56, 584,688.84 and 262,554.20 is: 362,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,627.56 : 584,688.84 = 262,554.20 : x
  2. Step 2: Convert to fraction form
    423,627.56/584,688.84 = 262,554.20/x
  3. Step 3: Cross multiply
    423,627.56x = 584,688.84 × 262,554.20
  4. Step 4: Simplify right side
    423,627.56x = 153,512,510,635.13
  5. Step 5: Solve for x
    x = 153,512,510,635.13/423,627.56
  6. Step 6: Final answer
    x = 362,376.12

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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.