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Finding the Fourth Proportional to 292,737.04, 403,978.80 and 158,601.04

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Solution

The fourth proportional to 292,737.04, 403,978.80 and 158,601.04 is: 218,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,737.04 : 403,978.80 = 158,601.04 : x
  2. Step 2: Convert to fraction form
    292,737.04/403,978.80 = 158,601.04/x
  3. Step 3: Cross multiply
    292,737.04x = 403,978.80 × 158,601.04
  4. Step 4: Simplify right side
    292,737.04x = 64,071,457,817.95
  5. Step 5: Solve for x
    x = 64,071,457,817.95/292,737.04
  6. Step 6: Final answer
    x = 218,870.35

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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.