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Finding the Fourth Proportional to 658,333.02, 908,422.98 and 367,945.20

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Solution

The fourth proportional to 658,333.02, 908,422.98 and 367,945.20 is: 507,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,333.02 : 908,422.98 = 367,945.20 : x
  2. Step 2: Convert to fraction form
    658,333.02/908,422.98 = 367,945.20/x
  3. Step 3: Cross multiply
    658,333.02x = 908,422.98 × 367,945.20
  4. Step 4: Simplify right side
    658,333.02x = 334,249,875,060.70
  5. Step 5: Solve for x
    x = 334,249,875,060.70/658,333.02
  6. Step 6: Final answer
    x = 507,721.57

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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.