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Finding the Fourth Proportional to 502,334.16, 692,820.22 and 330,428.67

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Solution

The fourth proportional to 502,334.16, 692,820.22 and 330,428.67 is: 455,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,334.16 : 692,820.22 = 330,428.67 : x
  2. Step 2: Convert to fraction form
    502,334.16/692,820.22 = 330,428.67/x
  3. Step 3: Cross multiply
    502,334.16x = 692,820.22 × 330,428.67
  4. Step 4: Simplify right side
    502,334.16x = 228,927,663,843.71
  5. Step 5: Solve for x
    x = 228,927,663,843.71/502,334.16
  6. Step 6: Final answer
    x = 455,727.84

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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.