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Finding the Fourth Proportional to 242,587.40, 363,492.30 and 153,681.80

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Solution

The fourth proportional to 242,587.40, 363,492.30 and 153,681.80 is: 230,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,587.40 : 363,492.30 = 153,681.80 : x
  2. Step 2: Convert to fraction form
    242,587.40/363,492.30 = 153,681.80/x
  3. Step 3: Cross multiply
    242,587.40x = 363,492.30 × 153,681.80
  4. Step 4: Simplify right side
    242,587.40x = 55,862,150,950.14
  5. Step 5: Solve for x
    x = 55,862,150,950.14/242,587.40
  6. Step 6: Final answer
    x = 230,276.39

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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.