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Finding the Fourth Proportional to 602,141.04, 830,948.22 and 330,208.11

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Solution

The fourth proportional to 602,141.04, 830,948.22 and 330,208.11 is: 455,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,141.04 : 830,948.22 = 330,208.11 : x
  2. Step 2: Convert to fraction form
    602,141.04/830,948.22 = 330,208.11/x
  3. Step 3: Cross multiply
    602,141.04x = 830,948.22 × 330,208.11
  4. Step 4: Simplify right side
    602,141.04x = 274,385,841,234.06
  5. Step 5: Solve for x
    x = 274,385,841,234.06/602,141.04
  6. Step 6: Final answer
    x = 455,683.67

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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.