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Finding the Fourth Proportional to 292,666.68, 403,877.88 and 158,530.68

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Solution

The fourth proportional to 292,666.68, 403,877.88 and 158,530.68 is: 218,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,666.68 : 403,877.88 = 158,530.68 : x
  2. Step 2: Convert to fraction form
    292,666.68/403,877.88 = 158,530.68/x
  3. Step 3: Cross multiply
    292,666.68x = 403,877.88 × 158,530.68
  4. Step 4: Simplify right side
    292,666.68x = 64,027,034,953.36
  5. Step 5: Solve for x
    x = 64,027,034,953.36/292,666.68
  6. Step 6: Final answer
    x = 218,771.18

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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.