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Finding the Fourth Proportional to 797,672.30, 1,100,802.74 and 435,109.10

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Solution

The fourth proportional to 797,672.30, 1,100,802.74 and 435,109.10 is: 600,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,672.30 : 1,100,802.74 = 435,109.10 : x
  2. Step 2: Convert to fraction form
    797,672.30/1,100,802.74 = 435,109.10/x
  3. Step 3: Cross multiply
    797,672.30x = 1,100,802.74 × 435,109.10
  4. Step 4: Simplify right side
    797,672.30x = 478,969,281,799.38
  5. Step 5: Solve for x
    x = 478,969,281,799.38/797,672.30
  6. Step 6: Final answer
    x = 600,458.72

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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.