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Finding the Fourth Proportional to 346,877.80, 520,316.76 and 97,559.80

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Solution

The fourth proportional to 346,877.80, 520,316.76 and 97,559.80 is: 146,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,877.80 : 520,316.76 = 97,559.80 : x
  2. Step 2: Convert to fraction form
    346,877.80/520,316.76 = 97,559.80/x
  3. Step 3: Cross multiply
    346,877.80x = 520,316.76 × 97,559.80
  4. Step 4: Simplify right side
    346,877.80x = 50,761,999,042.25
  5. Step 5: Solve for x
    x = 50,761,999,042.25/346,877.80
  6. Step 6: Final answer
    x = 146,339.72

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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.