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Finding the Fourth Proportional to 307,547.84, 461,389.48 and 94,345.12

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Solution

The fourth proportional to 307,547.84, 461,389.48 and 94,345.12 is: 141,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,547.84 : 461,389.48 = 94,345.12 : x
  2. Step 2: Convert to fraction form
    307,547.84/461,389.48 = 94,345.12/x
  3. Step 3: Cross multiply
    307,547.84x = 461,389.48 × 94,345.12
  4. Step 4: Simplify right side
    307,547.84x = 43,529,845,857.34
  5. Step 5: Solve for x
    x = 43,529,845,857.34/307,547.84
  6. Step 6: Final answer
    x = 141,538.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.