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Finding the Fourth Proportional to 612,047.70, 918,071.55 and 601,550.10

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Solution

The fourth proportional to 612,047.70, 918,071.55 and 601,550.10 is: 902,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,047.70 : 918,071.55 = 601,550.10 : x
  2. Step 2: Convert to fraction form
    612,047.70/918,071.55 = 601,550.10/x
  3. Step 3: Cross multiply
    612,047.70x = 918,071.55 × 601,550.10
  4. Step 4: Simplify right side
    612,047.70x = 552,266,032,709.66
  5. Step 5: Solve for x
    x = 552,266,032,709.66/612,047.70
  6. Step 6: Final answer
    x = 902,325.15

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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.