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Finding the Fourth Proportional to 692,953, 956,275.62 and 375,001

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Solution

The fourth proportional to 692,953, 956,275.62 and 375,001 is: 517,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,953 : 956,275.62 = 375,001 : x
  2. Step 2: Convert to fraction form
    692,953/956,275.62 = 375,001/x
  3. Step 3: Cross multiply
    692,953x = 956,275.62 × 375,001
  4. Step 4: Simplify right side
    692,953x = 358,604,313,775.62
  5. Step 5: Solve for x
    x = 358,604,313,775.62/692,953
  6. Step 6: Final answer
    x = 517,501.64

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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.