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Finding the Fourth Proportional to 624,841.50, 937,547.85 and 340,105.50

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Solution

The fourth proportional to 624,841.50, 937,547.85 and 340,105.50 is: 510,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,841.50 : 937,547.85 = 340,105.50 : x
  2. Step 2: Convert to fraction form
    624,841.50/937,547.85 = 340,105.50/x
  3. Step 3: Cross multiply
    624,841.50x = 937,547.85 × 340,105.50
  4. Step 4: Simplify right side
    624,841.50x = 318,865,180,298.18
  5. Step 5: Solve for x
    x = 318,865,180,298.18/624,841.50
  6. Step 6: Final answer
    x = 510,313.70

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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.