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Finding the Fourth Proportional to 346,503.33, 478,176.56 and 193,547.96

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Solution

The fourth proportional to 346,503.33, 478,176.56 and 193,547.96 is: 267,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,503.33 : 478,176.56 = 193,547.96 : x
  2. Step 2: Convert to fraction form
    346,503.33/478,176.56 = 193,547.96/x
  3. Step 3: Cross multiply
    346,503.33x = 478,176.56 × 193,547.96
  4. Step 4: Simplify right side
    346,503.33x = 92,550,097,707.82
  5. Step 5: Solve for x
    x = 92,550,097,707.82/346,503.33
  6. Step 6: Final answer
    x = 267,097.28

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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.