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Finding the Fourth Proportional to 292,496.48, 403,646.40 and 158,360.48

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Solution

The fourth proportional to 292,496.48, 403,646.40 and 158,360.48 is: 218,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,496.48 : 403,646.40 = 158,360.48 : x
  2. Step 2: Convert to fraction form
    292,496.48/403,646.40 = 158,360.48/x
  3. Step 3: Cross multiply
    292,496.48x = 403,646.40 × 158,360.48
  4. Step 4: Simplify right side
    292,496.48x = 63,921,637,654.27
  5. Step 5: Solve for x
    x = 63,921,637,654.27/292,496.48
  6. Step 6: Final answer
    x = 218,538.14

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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.