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Finding the Fourth Proportional to 335,228.59, 502,510.74 and 157,417.30

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Solution

The fourth proportional to 335,228.59, 502,510.74 and 157,417.30 is: 235,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,228.59 : 502,510.74 = 157,417.30 : x
  2. Step 2: Convert to fraction form
    335,228.59/502,510.74 = 157,417.30/x
  3. Step 3: Cross multiply
    335,228.59x = 502,510.74 × 157,417.30
  4. Step 4: Simplify right side
    335,228.59x = 79,103,883,911.80
  5. Step 5: Solve for x
    x = 79,103,883,911.80/335,228.59
  6. Step 6: Final answer
    x = 235,969.98

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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.