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Finding the Fourth Proportional to 966,136, 1,333,309.32 and 536,416.18

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Solution

The fourth proportional to 966,136, 1,333,309.32 and 536,416.18 is: 740,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,136 : 1,333,309.32 = 536,416.18 : x
  2. Step 2: Convert to fraction form
    966,136/1,333,309.32 = 536,416.18/x
  3. Step 3: Cross multiply
    966,136x = 1,333,309.32 × 536,416.18
  4. Step 4: Simplify right side
    966,136x = 715,208,692,192.80
  5. Step 5: Solve for x
    x = 715,208,692,192.80/966,136
  6. Step 6: Final answer
    x = 740,277.45

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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.