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Finding the Fourth Proportional to 292,397.74, 403,510.10 and 158,261.74

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Solution

The fourth proportional to 292,397.74, 403,510.10 and 158,261.74 is: 218,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,397.74 : 403,510.10 = 158,261.74 : x
  2. Step 2: Convert to fraction form
    292,397.74/403,510.10 = 158,261.74/x
  3. Step 3: Cross multiply
    292,397.74x = 403,510.10 × 158,261.74
  4. Step 4: Simplify right side
    292,397.74x = 63,860,210,533.57
  5. Step 5: Solve for x
    x = 63,860,210,533.57/292,397.74
  6. Step 6: Final answer
    x = 218,401.86

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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.