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Finding the Fourth Proportional to 523,999.60, 785,999.40 and 466,918.90

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Solution

The fourth proportional to 523,999.60, 785,999.40 and 466,918.90 is: 700,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,999.60 : 785,999.40 = 466,918.90 : x
  2. Step 2: Convert to fraction form
    523,999.60/785,999.40 = 466,918.90/x
  3. Step 3: Cross multiply
    523,999.60x = 785,999.40 × 466,918.90
  4. Step 4: Simplify right side
    523,999.60x = 366,997,975,248.66
  5. Step 5: Solve for x
    x = 366,997,975,248.66/523,999.60
  6. Step 6: Final answer
    x = 700,378.35

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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.