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Finding the Fourth Proportional to 452,384.64, 624,340.71 and 258,810.30

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Solution

The fourth proportional to 452,384.64, 624,340.71 and 258,810.30 is: 357,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,384.64 : 624,340.71 = 258,810.30 : x
  2. Step 2: Convert to fraction form
    452,384.64/624,340.71 = 258,810.30/x
  3. Step 3: Cross multiply
    452,384.64x = 624,340.71 × 258,810.30
  4. Step 4: Simplify right side
    452,384.64x = 161,585,806,457.31
  5. Step 5: Solve for x
    x = 161,585,806,457.31/452,384.64
  6. Step 6: Final answer
    x = 357,186.77

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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.