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Finding the Fourth Proportional to 508,319.84, 701,565.48 and 282,038.24

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Solution

The fourth proportional to 508,319.84, 701,565.48 and 282,038.24 is: 389,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,319.84 : 701,565.48 = 282,038.24 : x
  2. Step 2: Convert to fraction form
    508,319.84/701,565.48 = 282,038.24/x
  3. Step 3: Cross multiply
    508,319.84x = 701,565.48 × 282,038.24
  4. Step 4: Simplify right side
    508,319.84x = 197,868,293,223.96
  5. Step 5: Solve for x
    x = 197,868,293,223.96/508,319.84
  6. Step 6: Final answer
    x = 389,259.43

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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.