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Finding the Fourth Proportional to 434,779.70, 599,302.59 and 342,748.94

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Solution

The fourth proportional to 434,779.70, 599,302.59 and 342,748.94 is: 472,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,779.70 : 599,302.59 = 342,748.94 : x
  2. Step 2: Convert to fraction form
    434,779.70/599,302.59 = 342,748.94/x
  3. Step 3: Cross multiply
    434,779.70x = 599,302.59 × 342,748.94
  4. Step 4: Simplify right side
    434,779.70x = 205,410,327,461.76
  5. Step 5: Solve for x
    x = 205,410,327,461.76/434,779.70
  6. Step 6: Final answer
    x = 472,446.91

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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.