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Finding the Fourth Proportional to 554,587.19, 765,330.32 and 299,938.37

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Solution

The fourth proportional to 554,587.19, 765,330.32 and 299,938.37 is: 413,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,587.19 : 765,330.32 = 299,938.37 : x
  2. Step 2: Convert to fraction form
    554,587.19/765,330.32 = 299,938.37/x
  3. Step 3: Cross multiply
    554,587.19x = 765,330.32 × 299,938.37
  4. Step 4: Simplify right side
    554,587.19x = 229,551,931,355.55
  5. Step 5: Solve for x
    x = 229,551,931,355.55/554,587.19
  6. Step 6: Final answer
    x = 413,914.96

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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.