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Finding the Fourth Proportional to 602,041.80, 903,111.78 and 302,368.20

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Solution

The fourth proportional to 602,041.80, 903,111.78 and 302,368.20 is: 453,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,041.80 : 903,111.78 = 302,368.20 : x
  2. Step 2: Convert to fraction form
    602,041.80/903,111.78 = 302,368.20/x
  3. Step 3: Cross multiply
    602,041.80x = 903,111.78 × 302,368.20
  4. Step 4: Simplify right side
    602,041.80x = 273,072,283,317.40
  5. Step 5: Solve for x
    x = 273,072,283,317.40/602,041.80
  6. Step 6: Final answer
    x = 453,576.95

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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.