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Finding the Fourth Proportional to 346,547.59, 519,821.02 and 130,446.67

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Solution

The fourth proportional to 346,547.59, 519,821.02 and 130,446.67 is: 195,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,547.59 : 519,821.02 = 130,446.67 : x
  2. Step 2: Convert to fraction form
    346,547.59/519,821.02 = 130,446.67/x
  3. Step 3: Cross multiply
    346,547.59x = 519,821.02 × 130,446.67
  4. Step 4: Simplify right side
    346,547.59x = 67,808,921,055.00
  5. Step 5: Solve for x
    x = 67,808,921,055.00/346,547.59
  6. Step 6: Final answer
    x = 195,669.87

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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.