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Finding the Fourth Proportional to 452,571.10, 624,478.76 and 261,547.63

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Solution

The fourth proportional to 452,571.10, 624,478.76 and 261,547.63 is: 360,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,571.10 : 624,478.76 = 261,547.63 : x
  2. Step 2: Convert to fraction form
    452,571.10/624,478.76 = 261,547.63/x
  3. Step 3: Cross multiply
    452,571.10x = 624,478.76 × 261,547.63
  4. Step 4: Simplify right side
    452,571.10x = 163,330,937,448.27
  5. Step 5: Solve for x
    x = 163,330,937,448.27/452,571.10
  6. Step 6: Final answer
    x = 360,895.64

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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.