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Finding the Fourth Proportional to 456,952.94, 630,614.77 and 253,003.87

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Solution

The fourth proportional to 456,952.94, 630,614.77 and 253,003.87 is: 349,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,952.94 : 630,614.77 = 253,003.87 : x
  2. Step 2: Convert to fraction form
    456,952.94/630,614.77 = 253,003.87/x
  3. Step 3: Cross multiply
    456,952.94x = 630,614.77 × 253,003.87
  4. Step 4: Simplify right side
    456,952.94x = 159,547,975,080.11
  5. Step 5: Solve for x
    x = 159,547,975,080.11/456,952.94
  6. Step 6: Final answer
    x = 349,156.25

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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.