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Finding the Fourth Proportional to 531,868.60, 797,630.10 and 176,822.20

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Solution

The fourth proportional to 531,868.60, 797,630.10 and 176,822.20 is: 265,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,868.60 : 797,630.10 = 176,822.20 : x
  2. Step 2: Convert to fraction form
    531,868.60/797,630.10 = 176,822.20/x
  3. Step 3: Cross multiply
    531,868.60x = 797,630.10 × 176,822.20
  4. Step 4: Simplify right side
    531,868.60x = 141,038,709,068.22
  5. Step 5: Solve for x
    x = 141,038,709,068.22/531,868.60
  6. Step 6: Final answer
    x = 265,175.85

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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.