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Finding the Fourth Proportional to 705,971.04, 974,246.48 and 383,681.96

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Solution

The fourth proportional to 705,971.04, 974,246.48 and 383,681.96 is: 529,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,971.04 : 974,246.48 = 383,681.96 : x
  2. Step 2: Convert to fraction form
    705,971.04/974,246.48 = 383,681.96/x
  3. Step 3: Cross multiply
    705,971.04x = 974,246.48 × 383,681.96
  4. Step 4: Simplify right side
    705,971.04x = 373,800,798,969.50
  5. Step 5: Solve for x
    x = 373,800,798,969.50/705,971.04
  6. Step 6: Final answer
    x = 529,484.61

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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.