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Finding the Fourth Proportional to 604,976.01, 907,457.84 and 155,695.13

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Solution

The fourth proportional to 604,976.01, 907,457.84 and 155,695.13 is: 233,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,976.01 : 907,457.84 = 155,695.13 : x
  2. Step 2: Convert to fraction form
    604,976.01/907,457.84 = 155,695.13/x
  3. Step 3: Cross multiply
    604,976.01x = 907,457.84 × 155,695.13
  4. Step 4: Simplify right side
    604,976.01x = 141,286,766,368.32
  5. Step 5: Solve for x
    x = 141,286,766,368.32/604,976.01
  6. Step 6: Final answer
    x = 233,541.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.