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Finding the Fourth Proportional to 436,903.71, 602,888.70 and 243,296.79

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Solution

The fourth proportional to 436,903.71, 602,888.70 and 243,296.79 is: 335,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,903.71 : 602,888.70 = 243,296.79 : x
  2. Step 2: Convert to fraction form
    436,903.71/602,888.70 = 243,296.79/x
  3. Step 3: Cross multiply
    436,903.71x = 602,888.70 × 243,296.79
  4. Step 4: Simplify right side
    436,903.71x = 146,680,886,349.64
  5. Step 5: Solve for x
    x = 146,680,886,349.64/436,903.71
  6. Step 6: Final answer
    x = 335,728.18

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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.