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Finding the Fourth Proportional to 360,123.38, 540,330.30 and 160,307.10

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Solution

The fourth proportional to 360,123.38, 540,330.30 and 160,307.10 is: 240,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,123.38 : 540,330.30 = 160,307.10 : x
  2. Step 2: Convert to fraction form
    360,123.38/540,330.30 = 160,307.10/x
  3. Step 3: Cross multiply
    360,123.38x = 540,330.30 × 160,307.10
  4. Step 4: Simplify right side
    360,123.38x = 86,618,783,547.85
  5. Step 5: Solve for x
    x = 86,618,783,547.85/360,123.38
  6. Step 6: Final answer
    x = 240,525.30

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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.