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Finding the Fourth Proportional to 554,293.64, 764,925.66 and 299,644.76

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Solution

The fourth proportional to 554,293.64, 764,925.66 and 299,644.76 is: 413,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,293.64 : 764,925.66 = 299,644.76 : x
  2. Step 2: Convert to fraction form
    554,293.64/764,925.66 = 299,644.76/x
  3. Step 3: Cross multiply
    554,293.64x = 764,925.66 × 299,644.76
  4. Step 4: Simplify right side
    554,293.64x = 229,205,965,808.54
  5. Step 5: Solve for x
    x = 229,205,965,808.54/554,293.64
  6. Step 6: Final answer
    x = 413,510.00

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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.