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Finding the Fourth Proportional to 524,966.40, 724,003.20 and 333,907.20

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Solution

The fourth proportional to 524,966.40, 724,003.20 and 333,907.20 is: 460,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,966.40 : 724,003.20 = 333,907.20 : x
  2. Step 2: Convert to fraction form
    524,966.40/724,003.20 = 333,907.20/x
  3. Step 3: Cross multiply
    524,966.40x = 724,003.20 × 333,907.20
  4. Step 4: Simplify right side
    524,966.40x = 241,749,881,303.04
  5. Step 5: Solve for x
    x = 241,749,881,303.04/524,966.40
  6. Step 6: Final answer
    x = 460,505.44

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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.