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Finding the Fourth Proportional to 346,133.16, 519,199.68 and 146,401.68

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Solution

The fourth proportional to 346,133.16, 519,199.68 and 146,401.68 is: 219,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,133.16 : 519,199.68 = 146,401.68 : x
  2. Step 2: Convert to fraction form
    346,133.16/519,199.68 = 146,401.68/x
  3. Step 3: Cross multiply
    346,133.16x = 519,199.68 × 146,401.68
  4. Step 4: Simplify right side
    346,133.16x = 76,011,705,407.46
  5. Step 5: Solve for x
    x = 76,011,705,407.46/346,133.16
  6. Step 6: Final answer
    x = 219,602.49

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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.