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Finding the Fourth Proportional to 531,429.60, 744,554.40 and 531,429.60

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Solution

The fourth proportional to 531,429.60, 744,554.40 and 531,429.60 is: 744,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,429.60 : 744,554.40 = 531,429.60 : x
  2. Step 2: Convert to fraction form
    531,429.60/744,554.40 = 531,429.60/x
  3. Step 3: Cross multiply
    531,429.60x = 744,554.40 × 531,429.60
  4. Step 4: Simplify right side
    531,429.60x = 395,678,246,970.24
  5. Step 5: Solve for x
    x = 395,678,246,970.24/531,429.60
  6. Step 6: Final answer
    x = 744,554.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.