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Finding the Fourth Proportional to 292,637, 403,839.06 and 158,501

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Solution

The fourth proportional to 292,637, 403,839.06 and 158,501 is: 218,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,637 : 403,839.06 = 158,501 : x
  2. Step 2: Convert to fraction form
    292,637/403,839.06 = 158,501/x
  3. Step 3: Cross multiply
    292,637x = 403,839.06 × 158,501
  4. Step 4: Simplify right side
    292,637x = 64,008,894,849.06
  5. Step 5: Solve for x
    x = 64,008,894,849.06/292,637
  6. Step 6: Final answer
    x = 218,731.38

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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.