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Finding the Fourth Proportional to 506,918.84, 699,565.76 and 277,476.28

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Solution

The fourth proportional to 506,918.84, 699,565.76 and 277,476.28 is: 382,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,918.84 : 699,565.76 = 277,476.28 : x
  2. Step 2: Convert to fraction form
    506,918.84/699,565.76 = 277,476.28/x
  3. Step 3: Cross multiply
    506,918.84x = 699,565.76 × 277,476.28
  4. Step 4: Simplify right side
    506,918.84x = 194,112,903,673.33
  5. Step 5: Solve for x
    x = 194,112,903,673.33/506,918.84
  6. Step 6: Final answer
    x = 382,926.98

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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.