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Finding the Fourth Proportional to 433,501.70, 650,252.55 and 358,706.30

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Solution

The fourth proportional to 433,501.70, 650,252.55 and 358,706.30 is: 538,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,501.70 : 650,252.55 = 358,706.30 : x
  2. Step 2: Convert to fraction form
    433,501.70/650,252.55 = 358,706.30/x
  3. Step 3: Cross multiply
    433,501.70x = 650,252.55 × 358,706.30
  4. Step 4: Simplify right side
    433,501.70x = 233,249,686,276.07
  5. Step 5: Solve for x
    x = 233,249,686,276.07/433,501.70
  6. Step 6: Final answer
    x = 538,059.45

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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.