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Finding the Fourth Proportional to 346,243.74, 478,032.48 and 265,515.90

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Solution

The fourth proportional to 346,243.74, 478,032.48 and 265,515.90 is: 366,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,243.74 : 478,032.48 = 265,515.90 : x
  2. Step 2: Convert to fraction form
    346,243.74/478,032.48 = 265,515.90/x
  3. Step 3: Cross multiply
    346,243.74x = 478,032.48 × 265,515.90
  4. Step 4: Simplify right side
    346,243.74x = 126,925,224,156.43
  5. Step 5: Solve for x
    x = 126,925,224,156.43/346,243.74
  6. Step 6: Final answer
    x = 366,577.67

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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.