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Finding the Fourth Proportional to 575,657.10, 863,485.65 and 364,668.30

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Solution

The fourth proportional to 575,657.10, 863,485.65 and 364,668.30 is: 547,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,657.10 : 863,485.65 = 364,668.30 : x
  2. Step 2: Convert to fraction form
    575,657.10/863,485.65 = 364,668.30/x
  3. Step 3: Cross multiply
    575,657.10x = 863,485.65 × 364,668.30
  4. Step 4: Simplify right side
    575,657.10x = 314,885,844,059.90
  5. Step 5: Solve for x
    x = 314,885,844,059.90/575,657.10
  6. Step 6: Final answer
    x = 547,002.45

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Double scale
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Similar ratio
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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.