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Finding the Fourth Proportional to 648,337.50, 972,848.88 and 460,014.96

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Solution

The fourth proportional to 648,337.50, 972,848.88 and 460,014.96 is: 690,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,337.50 : 972,848.88 = 460,014.96 : x
  2. Step 2: Convert to fraction form
    648,337.50/972,848.88 = 460,014.96/x
  3. Step 3: Cross multiply
    648,337.50x = 972,848.88 × 460,014.96
  4. Step 4: Simplify right side
    648,337.50x = 447,525,038,619.25
  5. Step 5: Solve for x
    x = 447,525,038,619.25/648,337.50
  6. Step 6: Final answer
    x = 690,265.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.