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Finding the Fourth Proportional to 504,430.92, 696,079.78 and 283,701.26

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Solution

The fourth proportional to 504,430.92, 696,079.78 and 283,701.26 is: 391,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,430.92 : 696,079.78 = 283,701.26 : x
  2. Step 2: Convert to fraction form
    504,430.92/696,079.78 = 283,701.26/x
  3. Step 3: Cross multiply
    504,430.92x = 696,079.78 × 283,701.26
  4. Step 4: Simplify right side
    504,430.92x = 197,478,712,741.35
  5. Step 5: Solve for x
    x = 197,478,712,741.35/504,430.92
  6. Step 6: Final answer
    x = 391,488.12

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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.