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Finding the Fourth Proportional to 602,783.70, 902,425.95 and 585,287.70

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Solution

The fourth proportional to 602,783.70, 902,425.95 and 585,287.70 is: 876,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,783.70 : 902,425.95 = 585,287.70 : x
  2. Step 2: Convert to fraction form
    602,783.70/902,425.95 = 585,287.70/x
  3. Step 3: Cross multiply
    602,783.70x = 902,425.95 × 585,287.70
  4. Step 4: Simplify right side
    602,783.70x = 528,178,808,695.82
  5. Step 5: Solve for x
    x = 528,178,808,695.82/602,783.70
  6. Step 6: Final answer
    x = 876,232.73

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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.