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Finding the Fourth Proportional to 690,066.94, 952,225.57 and 508,876.42

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Solution

The fourth proportional to 690,066.94, 952,225.57 and 508,876.42 is: 702,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,066.94 : 952,225.57 = 508,876.42 : x
  2. Step 2: Convert to fraction form
    690,066.94/952,225.57 = 508,876.42/x
  3. Step 3: Cross multiply
    690,066.94x = 952,225.57 × 508,876.42
  4. Step 4: Simplify right side
    690,066.94x = 484,565,139,094.06
  5. Step 5: Solve for x
    x = 484,565,139,094.06/690,066.94
  6. Step 6: Final answer
    x = 702,200.19

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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.