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Finding the Fourth Proportional to 517,810.24, 714,799.24 and 348,142.76

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Solution

The fourth proportional to 517,810.24, 714,799.24 and 348,142.76 is: 480,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,810.24 : 714,799.24 = 348,142.76 : x
  2. Step 2: Convert to fraction form
    517,810.24/714,799.24 = 348,142.76/x
  3. Step 3: Cross multiply
    517,810.24x = 714,799.24 × 348,142.76
  4. Step 4: Simplify right side
    517,810.24x = 248,852,180,259.50
  5. Step 5: Solve for x
    x = 248,852,180,259.50/517,810.24
  6. Step 6: Final answer
    x = 480,585.67

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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.