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Finding the Fourth Proportional to 706,182.98, 974,521.02 and 383,901.19

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Solution

The fourth proportional to 706,182.98, 974,521.02 and 383,901.19 is: 529,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,182.98 : 974,521.02 = 383,901.19 : x
  2. Step 2: Convert to fraction form
    706,182.98/974,521.02 = 383,901.19/x
  3. Step 3: Cross multiply
    706,182.98x = 974,521.02 × 383,901.19
  4. Step 4: Simplify right side
    706,182.98x = 374,119,778,261.34
  5. Step 5: Solve for x
    x = 374,119,778,261.34/706,182.98
  6. Step 6: Final answer
    x = 529,777.40

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Double scale
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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.