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Finding the Fourth Proportional to 315,527.13, 473,290.70 and 93,911.13

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Solution

The fourth proportional to 315,527.13, 473,290.70 and 93,911.13 is: 140,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,527.13 : 473,290.70 = 93,911.13 : x
  2. Step 2: Convert to fraction form
    315,527.13/473,290.70 = 93,911.13/x
  3. Step 3: Cross multiply
    315,527.13x = 473,290.70 × 93,911.13
  4. Step 4: Simplify right side
    315,527.13x = 44,447,264,455.49
  5. Step 5: Solve for x
    x = 44,447,264,455.49/315,527.13
  6. Step 6: Final answer
    x = 140,866.70

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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.