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Finding the Fourth Proportional to 340,334.04, 510,445.02 and 127,045.92

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Solution

The fourth proportional to 340,334.04, 510,445.02 and 127,045.92 is: 190,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,334.04 : 510,445.02 = 127,045.92 : x
  2. Step 2: Convert to fraction form
    340,334.04/510,445.02 = 127,045.92/x
  3. Step 3: Cross multiply
    340,334.04x = 510,445.02 × 127,045.92
  4. Step 4: Simplify right side
    340,334.04x = 64,849,957,175.32
  5. Step 5: Solve for x
    x = 64,849,957,175.32/340,334.04
  6. Step 6: Final answer
    x = 190,547.96

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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.