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Finding the Fourth Proportional to 750,889.32, 1,036,253.64 and 411,357.54

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Solution

The fourth proportional to 750,889.32, 1,036,253.64 and 411,357.54 is: 567,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,889.32 : 1,036,253.64 = 411,357.54 : x
  2. Step 2: Convert to fraction form
    750,889.32/1,036,253.64 = 411,357.54/x
  3. Step 3: Cross multiply
    750,889.32x = 1,036,253.64 × 411,357.54
  4. Step 4: Simplify right side
    750,889.32x = 426,270,748,166.45
  5. Step 5: Solve for x
    x = 426,270,748,166.45/750,889.32
  6. Step 6: Final answer
    x = 567,687.86

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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.