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Finding the Fourth Proportional to 343,018.40, 514,527.60 and 93,700.40

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Solution

The fourth proportional to 343,018.40, 514,527.60 and 93,700.40 is: 140,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,018.40 : 514,527.60 = 93,700.40 : x
  2. Step 2: Convert to fraction form
    343,018.40/514,527.60 = 93,700.40/x
  3. Step 3: Cross multiply
    343,018.40x = 514,527.60 × 93,700.40
  4. Step 4: Simplify right side
    343,018.40x = 48,211,441,931.04
  5. Step 5: Solve for x
    x = 48,211,441,931.04/343,018.40
  6. Step 6: Final answer
    x = 140,550.60

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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.