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Finding the Fourth Proportional to 944,483.88, 1,303,349.64 and 514,754.76

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Solution

The fourth proportional to 944,483.88, 1,303,349.64 and 514,754.76 is: 710,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,483.88 : 1,303,349.64 = 514,754.76 : x
  2. Step 2: Convert to fraction form
    944,483.88/1,303,349.64 = 514,754.76/x
  3. Step 3: Cross multiply
    944,483.88x = 1,303,349.64 × 514,754.76
  4. Step 4: Simplify right side
    944,483.88x = 670,905,431,134.29
  5. Step 5: Solve for x
    x = 670,905,431,134.29/944,483.88
  6. Step 6: Final answer
    x = 710,340.80

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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.