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Finding the Fourth Proportional to 706,915.92, 975,514.74 and 384,627.26

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Solution

The fourth proportional to 706,915.92, 975,514.74 and 384,627.26 is: 530,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,915.92 : 975,514.74 = 384,627.26 : x
  2. Step 2: Convert to fraction form
    706,915.92/975,514.74 = 384,627.26/x
  3. Step 3: Cross multiply
    706,915.92x = 975,514.74 × 384,627.26
  4. Step 4: Simplify right side
    706,915.92x = 375,209,561,535.81
  5. Step 5: Solve for x
    x = 375,209,561,535.81/706,915.92
  6. Step 6: Final answer
    x = 530,769.72

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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.