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Finding the Fourth Proportional to 973,239.01, 1,342,875.04 and 543,453.01

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Solution

The fourth proportional to 973,239.01, 1,342,875.04 and 543,453.01 is: 749,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,239.01 : 1,342,875.04 = 543,453.01 : x
  2. Step 2: Convert to fraction form
    973,239.01/1,342,875.04 = 543,453.01/x
  3. Step 3: Cross multiply
    973,239.01x = 1,342,875.04 × 543,453.01
  4. Step 4: Simplify right side
    973,239.01x = 729,789,482,541.87
  5. Step 5: Solve for x
    x = 729,789,482,541.87/973,239.01
  6. Step 6: Final answer
    x = 749,856.38

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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.