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Finding the Fourth Proportional to 528,818.01, 791,715.54 and 495,298.59

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Solution

The fourth proportional to 528,818.01, 791,715.54 and 495,298.59 is: 741,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,818.01 : 791,715.54 = 495,298.59 : x
  2. Step 2: Convert to fraction form
    528,818.01/791,715.54 = 495,298.59/x
  3. Step 3: Cross multiply
    528,818.01x = 791,715.54 × 495,298.59
  4. Step 4: Simplify right side
    528,818.01x = 392,135,590,643.09
  5. Step 5: Solve for x
    x = 392,135,590,643.09/528,818.01
  6. Step 6: Final answer
    x = 741,532.22

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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.