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Finding the Fourth Proportional to 553,592.16, 830,505.12 and 179,586.24

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Solution

The fourth proportional to 553,592.16, 830,505.12 and 179,586.24 is: 269,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,592.16 : 830,505.12 = 179,586.24 : x
  2. Step 2: Convert to fraction form
    553,592.16/830,505.12 = 179,586.24/x
  3. Step 3: Cross multiply
    553,592.16x = 830,505.12 × 179,586.24
  4. Step 4: Simplify right side
    553,592.16x = 149,147,291,801.55
  5. Step 5: Solve for x
    x = 149,147,291,801.55/553,592.16
  6. Step 6: Final answer
    x = 269,417.28

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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.