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Finding the Fourth Proportional to 658,353.39, 908,527.68 and 356,547.39

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Solution

The fourth proportional to 658,353.39, 908,527.68 and 356,547.39 is: 492,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,353.39 : 908,527.68 = 356,547.39 : x
  2. Step 2: Convert to fraction form
    658,353.39/908,527.68 = 356,547.39/x
  3. Step 3: Cross multiply
    658,353.39x = 908,527.68 × 356,547.39
  4. Step 4: Simplify right side
    658,353.39x = 323,933,173,046.76
  5. Step 5: Solve for x
    x = 323,933,173,046.76/658,353.39
  6. Step 6: Final answer
    x = 492,035.40

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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.