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Finding the Fourth Proportional to 634,418, 875,495.08 and 362,570.24

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Solution

The fourth proportional to 634,418, 875,495.08 and 362,570.24 is: 500,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,418 : 875,495.08 = 362,570.24 : x
  2. Step 2: Convert to fraction form
    634,418/875,495.08 = 362,570.24/x
  3. Step 3: Cross multiply
    634,418x = 875,495.08 × 362,570.24
  4. Step 4: Simplify right side
    634,418x = 317,428,461,274.42
  5. Step 5: Solve for x
    x = 317,428,461,274.42/634,418
  6. Step 6: Final answer
    x = 500,345.93

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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.