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Finding the Fourth Proportional to 508,098.02, 761,482.62 and 208,227.51

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Solution

The fourth proportional to 508,098.02, 761,482.62 and 208,227.51 is: 312,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,098.02 : 761,482.62 = 208,227.51 : x
  2. Step 2: Convert to fraction form
    508,098.02/761,482.62 = 208,227.51/x
  3. Step 3: Cross multiply
    508,098.02x = 761,482.62 × 208,227.51
  4. Step 4: Simplify right side
    508,098.02x = 158,561,629,870.88
  5. Step 5: Solve for x
    x = 158,561,629,870.88/508,098.02
  6. Step 6: Final answer
    x = 312,068.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.