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Finding the Fourth Proportional to 543,885.07, 750,517.40 and 314,457.08

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Solution

The fourth proportional to 543,885.07, 750,517.40 and 314,457.08 is: 433,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,885.07 : 750,517.40 = 314,457.08 : x
  2. Step 2: Convert to fraction form
    543,885.07/750,517.40 = 314,457.08/x
  3. Step 3: Cross multiply
    543,885.07x = 750,517.40 × 314,457.08
  4. Step 4: Simplify right side
    543,885.07x = 236,005,506,175.54
  5. Step 5: Solve for x
    x = 236,005,506,175.54/543,885.07
  6. Step 6: Final answer
    x = 433,925.32

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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.