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Finding the Fourth Proportional to 350,999.40, 526,499.10 and 291,950.40

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Solution

The fourth proportional to 350,999.40, 526,499.10 and 291,950.40 is: 437,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,999.40 : 526,499.10 = 291,950.40 : x
  2. Step 2: Convert to fraction form
    350,999.40/526,499.10 = 291,950.40/x
  3. Step 3: Cross multiply
    350,999.40x = 526,499.10 × 291,950.40
  4. Step 4: Simplify right side
    350,999.40x = 153,711,622,844.64
  5. Step 5: Solve for x
    x = 153,711,622,844.64/350,999.40
  6. Step 6: Final answer
    x = 437,925.60

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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.