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Finding the Fourth Proportional to 452,712.88, 624,741.69 and 248,776.48

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Solution

The fourth proportional to 452,712.88, 624,741.69 and 248,776.48 is: 343,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,712.88 : 624,741.69 = 248,776.48 : x
  2. Step 2: Convert to fraction form
    452,712.88/624,741.69 = 248,776.48/x
  3. Step 3: Cross multiply
    452,712.88x = 624,741.69 × 248,776.48
  4. Step 4: Simplify right side
    452,712.88x = 155,421,038,547.45
  5. Step 5: Solve for x
    x = 155,421,038,547.45/452,712.88
  6. Step 6: Final answer
    x = 343,310.40

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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.