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Finding the Fourth Proportional to 355,592.80, 533,374.92 and 195,985.12

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Solution

The fourth proportional to 355,592.80, 533,374.92 and 195,985.12 is: 293,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,592.80 : 533,374.92 = 195,985.12 : x
  2. Step 2: Convert to fraction form
    355,592.80/533,374.92 = 195,985.12/x
  3. Step 3: Cross multiply
    355,592.80x = 533,374.92 × 195,985.12
  4. Step 4: Simplify right side
    355,592.80x = 104,533,547,701.19
  5. Step 5: Solve for x
    x = 104,533,547,701.19/355,592.80
  6. Step 6: Final answer
    x = 293,969.81

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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.