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Finding the Fourth Proportional to 253,417.01, 349,754.74 and 144,521.58

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Solution

The fourth proportional to 253,417.01, 349,754.74 and 144,521.58 is: 199,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,417.01 : 349,754.74 = 144,521.58 : x
  2. Step 2: Convert to fraction form
    253,417.01/349,754.74 = 144,521.58/x
  3. Step 3: Cross multiply
    253,417.01x = 349,754.74 × 144,521.58
  4. Step 4: Simplify right side
    253,417.01x = 50,547,107,275.99
  5. Step 5: Solve for x
    x = 50,547,107,275.99/253,417.01
  6. Step 6: Final answer
    x = 199,462.17

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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.